Finding the Fourth Proportional to 115,040.22, 172,404.81 and 59,675.10

Step by Step Solution

1. Step 1: Write the proportion equation
   115,040.22 : 172,404.81 = 59,675.10 : x
2. Step 2: Convert to fraction form
   115,040.22/172,404.81 = 59,675.10/x
3. Step 3: Cross multiply
   115,040.22x = 172,404.81 × 59,675.10
4. Step 4: Simplify right side
   115,040.22x = 10,288,274,277.23
5. Step 5: Solve for x
   x = 10,288,274,277.23/115,040.22
6. Step 6: Final answer
   x = 89,431.98