Finding the Fourth Proportional to 31,088.71, 42,902.36 and 16,941.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,088.71 : 42,902.36 = 16,941.52 : x
2. Step 2: Convert to fraction form
   31,088.71/42,902.36 = 16,941.52/x
3. Step 3: Cross multiply
   31,088.71x = 42,902.36 × 16,941.52
4. Step 4: Simplify right side
   31,088.71x = 726,831,105.28
5. Step 5: Solve for x
   x = 726,831,105.28/31,088.71
6. Step 6: Final answer
   x = 23,379.26