Finding the Fourth Proportional to 82,389.92, 113,658 and 48,832.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,389.92 : 113,658 = 48,832.16 : x
2. Step 2: Convert to fraction form
   82,389.92/113,658 = 48,832.16/x
3. Step 3: Cross multiply
   82,389.92x = 113,658 × 48,832.16
4. Step 4: Simplify right side
   82,389.92x = 5,550,165,641.28
5. Step 5: Solve for x
   x = 5,550,165,641.28/82,389.92
6. Step 6: Final answer
   x = 67,364.62