Finding the Fourth Proportional to 118,786,043,900.77, 163,927,847,370.85 and 64,595,761,917.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,786,043,900.77 : 163,927,847,370.85 = 64,595,761,917.52 : x
2. Step 2: Convert to fraction form
   118,786,043,900.77/163,927,847,370.85 = 64,595,761,917.52/x
3. Step 3: Cross multiply
   118,786,043,900.77x = 163,927,847,370.85 × 64,595,761,917.52
4. Step 4: Simplify right side
   118,786,043,900.77x = 10,589,044,200,418,983,280,640
5. Step 5: Solve for x
   x = 10,589,044,200,418,983,280,640/118,786,043,900.77
6. Step 6: Final answer
   x = 89,143,840,915.06