Finding the Fourth Proportional to 114,977.68, 172,550.40 and 58,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,977.68 : 172,550.40 = 58,864.72 : x
2. Step 2: Convert to fraction form
   114,977.68/172,550.40 = 58,864.72/x
3. Step 3: Cross multiply
   114,977.68x = 172,550.40 × 58,864.72
4. Step 4: Simplify right side
   114,977.68x = 10,157,130,981.89
5. Step 5: Solve for x
   x = 10,157,130,981.89/114,977.68
6. Step 6: Final answer
   x = 88,340.02