Finding the Fourth Proportional to 31,201.86, 43,061.52 and 17,056.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,201.86 : 43,061.52 = 17,056.80 : x
2. Step 2: Convert to fraction form
   31,201.86/43,061.52 = 17,056.80/x
3. Step 3: Cross multiply
   31,201.86x = 43,061.52 × 17,056.80
4. Step 4: Simplify right side
   31,201.86x = 734,491,734.34
5. Step 5: Solve for x
   x = 734,491,734.34/31,201.86
6. Step 6: Final answer
   x = 23,540.00