Finding the Fourth Proportional to 172,153.32, 258,271.62 and 59,817.25

Step by Step Solution

1. Step 1: Write the proportion equation
   172,153.32 : 258,271.62 = 59,817.25 : x
2. Step 2: Convert to fraction form
   172,153.32/258,271.62 = 59,817.25/x
3. Step 3: Cross multiply
   172,153.32x = 258,271.62 × 59,817.25
4. Step 4: Simplify right side
   172,153.32x = 15,449,098,061.45
5. Step 5: Solve for x
   x = 15,449,098,061.45/172,153.32
6. Step 6: Final answer
   x = 89,740.34