Finding the Fourth Proportional to 86,061.28, 118,758.72 and 48,334.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,061.28 : 118,758.72 = 48,334.72 : x
2. Step 2: Convert to fraction form
   86,061.28/118,758.72 = 48,334.72/x
3. Step 3: Cross multiply
   86,061.28x = 118,758.72 × 48,334.72
4. Step 4: Simplify right side
   86,061.28x = 5,740,169,478.76
5. Step 5: Solve for x
   x = 5,740,169,478.76/86,061.28
6. Step 6: Final answer
   x = 66,698.63