Finding the Fourth Proportional to 12,162.99, 18,265.32 and 7,510.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,162.99 : 18,265.32 = 7,510.52 : x
2. Step 2: Convert to fraction form
   12,162.99/18,265.32 = 7,510.52/x
3. Step 3: Cross multiply
   12,162.99x = 18,265.32 × 7,510.52
4. Step 4: Simplify right side
   12,162.99x = 137,182,117.95
5. Step 5: Solve for x
   x = 137,182,117.95/12,162.99
6. Step 6: Final answer
   x = 11,278.66