Finding the Fourth Proportional to 12,309.02, 16,987.73 and 7,532.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309.02 : 16,987.73 = 7,532.15 : x
2. Step 2: Convert to fraction form
   12,309.02/16,987.73 = 7,532.15/x
3. Step 3: Cross multiply
   12,309.02x = 16,987.73 × 7,532.15
4. Step 4: Simplify right side
   12,309.02x = 127,954,130.52
5. Step 5: Solve for x
   x = 127,954,130.52/12,309.02
6. Step 6: Final answer
   x = 10,395.15