Finding the Fourth Proportional to 84,411.72, 116,489.34 and 48,608.10

Step by Step Solution

1. Step 1: Write the proportion equation
   84,411.72 : 116,489.34 = 48,608.10 : x
2. Step 2: Convert to fraction form
   84,411.72/116,489.34 = 48,608.10/x
3. Step 3: Cross multiply
   84,411.72x = 116,489.34 × 48,608.10
4. Step 4: Simplify right side
   84,411.72x = 5,662,325,487.65
5. Step 5: Solve for x
   x = 5,662,325,487.65/84,411.72
6. Step 6: Final answer
   x = 67,079.85