Finding the Fourth Proportional to 82,477.72, 113,812.32 and 48,487.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,477.72 : 113,812.32 = 48,487.32 : x
2. Step 2: Convert to fraction form
   82,477.72/113,812.32 = 48,487.32/x
3. Step 3: Cross multiply
   82,477.72x = 113,812.32 × 48,487.32
4. Step 4: Simplify right side
   82,477.72x = 5,518,454,379.78
5. Step 5: Solve for x
   x = 5,518,454,379.78/82,477.72
6. Step 6: Final answer
   x = 66,908.43