Finding the Fourth Proportional to 13,061.76, 18,030.24 and 8,350.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.76 : 18,030.24 = 8,350.08 : x
2. Step 2: Convert to fraction form
   13,061.76/18,030.24 = 8,350.08/x
3. Step 3: Cross multiply
   13,061.76x = 18,030.24 × 8,350.08
4. Step 4: Simplify right side
   13,061.76x = 150,553,946.42
5. Step 5: Solve for x
   x = 150,553,946.42/13,061.76
6. Step 6: Final answer
   x = 11,526.31