Finding the Fourth Proportional to 56,951.91, 85,437.59 and 17,508.15

Step by Step Solution

1. Step 1: Write the proportion equation
   56,951.91 : 85,437.59 = 17,508.15 : x
2. Step 2: Convert to fraction form
   56,951.91/85,437.59 = 17,508.15/x
3. Step 3: Cross multiply
   56,951.91x = 85,437.59 × 17,508.15
4. Step 4: Simplify right side
   56,951.91x = 1,495,854,053.82
5. Step 5: Solve for x
   x = 1,495,854,053.82/56,951.91
6. Step 6: Final answer
   x = 26,265.21