Finding the Fourth Proportional to 113,509,437.86, 156,643,023.32 and 61,298,468.91

Step by Step Solution

1. Step 1: Write the proportion equation
   113,509,437.86 : 156,643,023.32 = 61,298,468.91 : x
2. Step 2: Convert to fraction form
   113,509,437.86/156,643,023.32 = 61,298,468.91/x
3. Step 3: Cross multiply
   113,509,437.86x = 156,643,023.32 × 61,298,468.91
4. Step 4: Simplify right side
   113,509,437.86x = 9,601,977,494,166,210
5. Step 5: Solve for x
   x = 9,601,977,494,166,210/113,509,437.86
6. Step 6: Final answer
   x = 84,591,886.59