Finding the Fourth Proportional to 116,002.10, 173,657.55 and 69,230.90

Step by Step Solution

1. Step 1: Write the proportion equation
   116,002.10 : 173,657.55 = 69,230.90 : x
2. Step 2: Convert to fraction form
   116,002.10/173,657.55 = 69,230.90/x
3. Step 3: Cross multiply
   116,002.10x = 173,657.55 × 69,230.90
4. Step 4: Simplify right side
   116,002.10x = 12,022,468,478.30
5. Step 5: Solve for x
   x = 12,022,468,478.30/116,002.10
6. Step 6: Final answer
   x = 103,640.09