Finding the Fourth Proportional to 84,128.72, 126,221.88 and 37,414.16

Step by Step Solution

1. Step 1: Write the proportion equation
   84,128.72 : 126,221.88 = 37,414.16 : x
2. Step 2: Convert to fraction form
   84,128.72/126,221.88 = 37,414.16/x
3. Step 3: Cross multiply
   84,128.72x = 126,221.88 × 37,414.16
4. Step 4: Simplify right side
   84,128.72x = 4,722,485,613.82
5. Step 5: Solve for x
   x = 4,722,485,613.82/84,128.72
6. Step 6: Final answer
   x = 56,134.05