Finding the Fourth Proportional to 85,700.25, 128,633.52 and 41,358.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,700.25 : 128,633.52 = 41,358.24 : x
2. Step 2: Convert to fraction form
   85,700.25/128,633.52 = 41,358.24/x
3. Step 3: Cross multiply
   85,700.25x = 128,633.52 × 41,358.24
4. Step 4: Simplify right side
   85,700.25x = 5,320,055,992.20
5. Step 5: Solve for x
   x = 5,320,055,992.20/85,700.25
6. Step 6: Final answer
   x = 62,077.49