Finding the Fourth Proportional to 217,443.10, 326,149.98 and 59,658.34

Step by Step Solution

1. Step 1: Write the proportion equation
   217,443.10 : 326,149.98 = 59,658.34 : x
2. Step 2: Convert to fraction form
   217,443.10/326,149.98 = 59,658.34/x
3. Step 3: Cross multiply
   217,443.10x = 326,149.98 × 59,658.34
4. Step 4: Simplify right side
   217,443.10x = 19,457,566,397.83
5. Step 5: Solve for x
   x = 19,457,566,397.83/217,443.10
6. Step 6: Final answer
   x = 89,483.49