Finding the Fourth Proportional to 116,141,860.78, 160,279,701.32 and 63,220,498.90

Step by Step Solution

1. Step 1: Write the proportion equation
   116,141,860.78 : 160,279,701.32 = 63,220,498.90 : x
2. Step 2: Convert to fraction form
   116,141,860.78/160,279,701.32 = 63,220,498.90/x
3. Step 3: Cross multiply
   116,141,860.78x = 160,279,701.32 × 63,220,498.90
4. Step 4: Simplify right side
   116,141,860.78x = 10,132,962,680,993,388
5. Step 5: Solve for x
   x = 10,132,962,680,993,388/116,141,860.78
6. Step 6: Final answer
   x = 87,246,429.61