Finding the Fourth Proportional to 31,348.17, 43,263.52 and 17,916.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,348.17 : 43,263.52 = 17,916.86 : x
2. Step 2: Convert to fraction form
   31,348.17/43,263.52 = 17,916.86/x
3. Step 3: Cross multiply
   31,348.17x = 43,263.52 × 17,916.86
4. Step 4: Simplify right side
   31,348.17x = 775,146,494.31
5. Step 5: Solve for x
   x = 775,146,494.31/31,348.17
6. Step 6: Final answer
   x = 24,727.01