Finding the Fourth Proportional to 84,412.72, 116,490.72 and 48,609.10

Step by Step Solution

1. Step 1: Write the proportion equation
   84,412.72 : 116,490.72 = 48,609.10 : x
2. Step 2: Convert to fraction form
   84,412.72/116,490.72 = 48,609.10/x
3. Step 3: Cross multiply
   84,412.72x = 116,490.72 × 48,609.10
4. Step 4: Simplify right side
   84,412.72x = 5,662,509,057.55
5. Step 5: Solve for x
   x = 5,662,509,057.55/84,412.72
6. Step 6: Final answer
   x = 67,081.23