Finding the Fourth Proportional to 85,111.11, 127,695.42 and 37,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,111.11 : 127,695.42 = 37,719.72 : x
2. Step 2: Convert to fraction form
   85,111.11/127,695.42 = 37,719.72/x
3. Step 3: Cross multiply
   85,111.11x = 127,695.42 × 37,719.72
4. Step 4: Simplify right side
   85,111.11x = 4,816,635,487.68
5. Step 5: Solve for x
   x = 4,816,635,487.68/85,111.11
6. Step 6: Final answer
   x = 56,592.32