Finding the Fourth Proportional to 172,131.47, 258,091.50 and 59,763.41

Step by Step Solution

1. Step 1: Write the proportion equation
   172,131.47 : 258,091.50 = 59,763.41 : x
2. Step 2: Convert to fraction form
   172,131.47/258,091.50 = 59,763.41/x
3. Step 3: Cross multiply
   172,131.47x = 258,091.50 × 59,763.41
4. Step 4: Simplify right side
   172,131.47x = 15,424,428,132.02
5. Step 5: Solve for x
   x = 15,424,428,132.02/172,131.47
6. Step 6: Final answer
   x = 89,608.41