Finding the Fourth Proportional to 31,088.73, 42,902.52 and 16,941.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,088.73 : 42,902.52 = 16,941.60 : x
2. Step 2: Convert to fraction form
   31,088.73/42,902.52 = 16,941.60/x
3. Step 3: Cross multiply
   31,088.73x = 42,902.52 × 16,941.60
4. Step 4: Simplify right side
   31,088.73x = 726,837,332.83
5. Step 5: Solve for x
   x = 726,837,332.83/31,088.73
6. Step 6: Final answer
   x = 23,379.45