Finding the Fourth Proportional to 112,456.80, 168,577.20 and 65,023.20

Step by Step Solution

1. Step 1: Write the proportion equation
   112,456.80 : 168,577.20 = 65,023.20 : x
2. Step 2: Convert to fraction form
   112,456.80/168,577.20 = 65,023.20/x
3. Step 3: Cross multiply
   112,456.80x = 168,577.20 × 65,023.20
4. Step 4: Simplify right side
   112,456.80x = 10,961,428,991.04
5. Step 5: Solve for x
   x = 10,961,428,991.04/112,456.80
6. Step 6: Final answer
   x = 97,472.35