Finding the Fourth Proportional to 86,856.32, 119,851.62 and 48,618

Step by Step Solution

1. Step 1: Write the proportion equation
   86,856.32 : 119,851.62 = 48,618 : x
2. Step 2: Convert to fraction form
   86,856.32/119,851.62 = 48,618/x
3. Step 3: Cross multiply
   86,856.32x = 119,851.62 × 48,618
4. Step 4: Simplify right side
   86,856.32x = 5,826,946,061.16
5. Step 5: Solve for x
   x = 5,826,946,061.16/86,856.32
6. Step 6: Final answer
   x = 67,087.19