Finding the Fourth Proportional to 92,254.91, 138,274.83 and 42,340.28

Step by Step Solution

1. Step 1: Write the proportion equation
   92,254.91 : 138,274.83 = 42,340.28 : x
2. Step 2: Convert to fraction form
   92,254.91/138,274.83 = 42,340.28/x
3. Step 3: Cross multiply
   92,254.91x = 138,274.83 × 42,340.28
4. Step 4: Simplify right side
   92,254.91x = 5,854,595,019.15
5. Step 5: Solve for x
   x = 5,854,595,019.15/92,254.91
6. Step 6: Final answer
   x = 63,461.07