Finding the Fourth Proportional to 10,086.16, 15,118.03 and 7,612.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.16 : 15,118.03 = 7,612.96 : x
2. Step 2: Convert to fraction form
   10,086.16/15,118.03 = 7,612.96/x
3. Step 3: Cross multiply
   10,086.16x = 15,118.03 × 7,612.96
4. Step 4: Simplify right side
   10,086.16x = 115,092,957.67
5. Step 5: Solve for x
   x = 115,092,957.67/10,086.16
6. Step 6: Final answer
   x = 11,410.98