Finding the Fourth Proportional to 82,699.92, 114,085.76 and 49,142.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,699.92 : 114,085.76 = 49,142.16 : x
2. Step 2: Convert to fraction form
   82,699.92/114,085.76 = 49,142.16/x
3. Step 3: Cross multiply
   82,699.92x = 114,085.76 × 49,142.16
4. Step 4: Simplify right side
   82,699.92x = 5,606,420,671.64
5. Step 5: Solve for x
   x = 5,606,420,671.64/82,699.92
6. Step 6: Final answer
   x = 67,792.33