Finding the Fourth Proportional to 67,434.78, 93,002.86 and 40,572.27

Step by Step Solution

1. Step 1: Write the proportion equation
   67,434.78 : 93,002.86 = 40,572.27 : x
2. Step 2: Convert to fraction form
   67,434.78/93,002.86 = 40,572.27/x
3. Step 3: Cross multiply
   67,434.78x = 93,002.86 × 40,572.27
4. Step 4: Simplify right side
   67,434.78x = 3,773,336,821.73
5. Step 5: Solve for x
   x = 3,773,336,821.73/67,434.78
6. Step 6: Final answer
   x = 55,955.35