Finding the Fourth Proportional to 93,856,861.27, 140,795,920.86 and 84,212,978.59

Step by Step Solution

1. Step 1: Write the proportion equation
   93,856,861.27 : 140,795,920.86 = 84,212,978.59 : x
2. Step 2: Convert to fraction form
   93,856,861.27/140,795,920.86 = 84,212,978.59/x
3. Step 3: Cross multiply
   93,856,861.27x = 140,795,920.86 × 84,212,978.59
4. Step 4: Simplify right side
   93,856,861.27x = 11,856,843,868,942,516
5. Step 5: Solve for x
   x = 11,856,843,868,942,516/93,856,861.27
6. Step 6: Final answer
   x = 126,329,004.70