Finding the Fourth Proportional to 74,216.10, 102,422.34 and 42,395.34

Step by Step Solution

1. Step 1: Write the proportion equation
   74,216.10 : 102,422.34 = 42,395.34 : x
2. Step 2: Convert to fraction form
   74,216.10/102,422.34 = 42,395.34/x
3. Step 3: Cross multiply
   74,216.10x = 102,422.34 × 42,395.34
4. Step 4: Simplify right side
   74,216.10x = 4,342,229,927.90
5. Step 5: Solve for x
   x = 4,342,229,927.90/74,216.10
6. Step 6: Final answer
   x = 58,507.92