Finding the Fourth Proportional to 13,124.72, 19,695.18 and 7,589

Step by Step Solution

1. Step 1: Write the proportion equation
   13,124.72 : 19,695.18 = 7,589 : x
2. Step 2: Convert to fraction form
   13,124.72/19,695.18 = 7,589/x
3. Step 3: Cross multiply
   13,124.72x = 19,695.18 × 7,589
4. Step 4: Simplify right side
   13,124.72x = 149,466,721.02
5. Step 5: Solve for x
   x = 149,466,721.02/13,124.72
6. Step 6: Final answer
   x = 11,388.18