Finding the Fourth Proportional to 67,414.08, 93,002.40 and 42,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,414.08 : 93,002.40 = 42,258.72 : x
2. Step 2: Convert to fraction form
   67,414.08/93,002.40 = 42,258.72/x
3. Step 3: Cross multiply
   67,414.08x = 93,002.40 × 42,258.72
4. Step 4: Simplify right side
   67,414.08x = 3,930,162,380.93
5. Step 5: Solve for x
   x = 3,930,162,380.93/67,414.08
6. Step 6: Final answer
   x = 58,298.84