Finding the Fourth Proportional to 172,468.98, 258,870.31 and 124,487.06

Step by Step Solution

1. Step 1: Write the proportion equation
   172,468.98 : 258,870.31 = 124,487.06 : x
2. Step 2: Convert to fraction form
   172,468.98/258,870.31 = 124,487.06/x
3. Step 3: Cross multiply
   172,468.98x = 258,870.31 × 124,487.06
4. Step 4: Simplify right side
   172,468.98x = 32,226,002,207.62
5. Step 5: Solve for x
   x = 32,226,002,207.62/172,468.98
6. Step 6: Final answer
   x = 186,851.00