Finding the Fourth Proportional to 118,118.74, 163,000.92 and 64,404.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,118.74 : 163,000.92 = 64,404.82 : x
2. Step 2: Convert to fraction form
   118,118.74/163,000.92 = 64,404.82/x
3. Step 3: Cross multiply
   118,118.74x = 163,000.92 × 64,404.82
4. Step 4: Simplify right side
   118,118.74x = 10,498,044,912.43
5. Step 5: Solve for x
   x = 10,498,044,912.43/118,118.74
6. Step 6: Final answer
   x = 88,877.05