Finding the Fourth Proportional to 58,809.83, 88,218.12 and 16,686.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,809.83 : 88,218.12 = 16,686.61 : x
2. Step 2: Convert to fraction form
   58,809.83/88,218.12 = 16,686.61/x
3. Step 3: Cross multiply
   58,809.83x = 88,218.12 × 16,686.61
4. Step 4: Simplify right side
   58,809.83x = 1,472,061,359.65
5. Step 5: Solve for x
   x = 1,472,061,359.65/58,809.83
6. Step 6: Final answer
   x = 25,030.87