Finding the Fourth Proportional to 116,959.20, 161,403.57 and 63,244.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,959.20 : 161,403.57 = 63,244.10 : x
2. Step 2: Convert to fraction form
   116,959.20/161,403.57 = 63,244.10/x
3. Step 3: Cross multiply
   116,959.20x = 161,403.57 × 63,244.10
4. Step 4: Simplify right side
   116,959.20x = 10,207,822,714.42
5. Step 5: Solve for x
   x = 10,207,822,714.42/116,959.20
6. Step 6: Final answer
   x = 87,276.78