Finding the Fourth Proportional to 98,616.96, 136,116.72 and 60,869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   98,616.96 : 136,116.72 = 60,869.52 : x
2. Step 2: Convert to fraction form
   98,616.96/136,116.72 = 60,869.52/x
3. Step 3: Cross multiply
   98,616.96x = 136,116.72 × 60,869.52
4. Step 4: Simplify right side
   98,616.96x = 8,285,359,410.37
5. Step 5: Solve for x
   x = 8,285,359,410.37/98,616.96
6. Step 6: Final answer
   x = 84,015.56