Finding the Fourth Proportional to 115,297.31, 172,998.51 and 59,176.83

Step by Step Solution

1. Step 1: Write the proportion equation
   115,297.31 : 172,998.51 = 59,176.83 : x
2. Step 2: Convert to fraction form
   115,297.31/172,998.51 = 59,176.83/x
3. Step 3: Cross multiply
   115,297.31x = 172,998.51 × 59,176.83
4. Step 4: Simplify right side
   115,297.31x = 10,237,503,416.52
5. Step 5: Solve for x
   x = 10,237,503,416.52/115,297.31
6. Step 6: Final answer
   x = 88,792.21