Finding the Fourth Proportional to 85,117.98, 127,672.17 and 37,719.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,117.98 : 127,672.17 = 37,719.42 : x
2. Step 2: Convert to fraction form
   85,117.98/127,672.17 = 37,719.42/x
3. Step 3: Cross multiply
   85,117.98x = 127,672.17 × 37,719.42
4. Step 4: Simplify right side
   85,117.98x = 4,815,720,202.54
5. Step 5: Solve for x
   x = 4,815,720,202.54/85,117.98
6. Step 6: Final answer
   x = 56,577.00