Finding the Fourth Proportional to 113,770,603.86, 156,945,592.20 and 69,104,690.02

Step by Step Solution

1. Step 1: Write the proportion equation
   113,770,603.86 : 156,945,592.20 = 69,104,690.02 : x
2. Step 2: Convert to fraction form
   113,770,603.86/156,945,592.20 = 69,104,690.02/x
3. Step 3: Cross multiply
   113,770,603.86x = 156,945,592.20 × 69,104,690.02
4. Step 4: Simplify right side
   113,770,603.86x = 10,845,676,498,986,328
5. Step 5: Solve for x
   x = 10,845,676,498,986,328/113,770,603.86
6. Step 6: Final answer
   x = 95,329,339.31