Finding the Fourth Proportional to 112,591,705.50, 155,375,503.83 and 63,699,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,591,705.50 : 155,375,503.83 = 63,699,133.50 : x
2. Step 2: Convert to fraction form
   112,591,705.50/155,375,503.83 = 63,699,133.50/x
3. Step 3: Cross multiply
   112,591,705.50x = 155,375,503.83 × 63,699,133.50
4. Step 4: Simplify right side
   112,591,705.50x = 9,897,284,961,096,932
5. Step 5: Solve for x
   x = 9,897,284,961,096,932/112,591,705.50
6. Step 6: Final answer
   x = 87,904,210.32