Finding the Fourth Proportional to 81,792.72, 112,875.12 and 48,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,792.72 : 112,875.12 = 48,258.72 : x
2. Step 2: Convert to fraction form
   81,792.72/112,875.12 = 48,258.72/x
3. Step 3: Cross multiply
   81,792.72x = 112,875.12 × 48,258.72
4. Step 4: Simplify right side
   81,792.72x = 5,447,208,811.05
5. Step 5: Solve for x
   x = 5,447,208,811.05/81,792.72
6. Step 6: Final answer
   x = 66,597.72