Finding the Fourth Proportional to 67,729.57, 93,512.48 and 42,274.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,729.57 : 93,512.48 = 42,274.71 : x
2. Step 2: Convert to fraction form
   67,729.57/93,512.48 = 42,274.71/x
3. Step 3: Cross multiply
   67,729.57x = 93,512.48 × 42,274.71
4. Step 4: Simplify right side
   67,729.57x = 3,953,212,762.01
5. Step 5: Solve for x
   x = 3,953,212,762.01/67,729.57
6. Step 6: Final answer
   x = 58,367.61