Finding the Fourth Proportional to 82,856.16, 114,341.76 and 49,320

Step by Step Solution

1. Step 1: Write the proportion equation
   82,856.16 : 114,341.76 = 49,320 : x
2. Step 2: Convert to fraction form
   82,856.16/114,341.76 = 49,320/x
3. Step 3: Cross multiply
   82,856.16x = 114,341.76 × 49,320
4. Step 4: Simplify right side
   82,856.16x = 5,639,335,603.20
5. Step 5: Solve for x
   x = 5,639,335,603.20/82,856.16
6. Step 6: Final answer
   x = 68,061.75