Finding the Fourth Proportional to 67,862.72, 93,669.72 and 47,724.32

Step by Step Solution

1. Step 1: Write the proportion equation
   67,862.72 : 93,669.72 = 47,724.32 : x
2. Step 2: Convert to fraction form
   67,862.72/93,669.72 = 47,724.32/x
3. Step 3: Cross multiply
   67,862.72x = 93,669.72 × 47,724.32
4. Step 4: Simplify right side
   67,862.72x = 4,470,323,691.59
5. Step 5: Solve for x
   x = 4,470,323,691.59/67,862.72
6. Step 6: Final answer
   x = 65,873.04