Finding the Fourth Proportional to 115,100.10, 172,538.55 and 58,966.68

Step by Step Solution

1. Step 1: Write the proportion equation
   115,100.10 : 172,538.55 = 58,966.68 : x
2. Step 2: Convert to fraction form
   115,100.10/172,538.55 = 58,966.68/x
3. Step 3: Cross multiply
   115,100.10x = 172,538.55 × 58,966.68
4. Step 4: Simplify right side
   115,100.10x = 10,174,025,465.51
5. Step 5: Solve for x
   x = 10,174,025,465.51/115,100.10
6. Step 6: Final answer
   x = 88,392.85