Finding the Fourth Proportional to 13,448, 18,558.24 and 7,560

Step by Step Solution

1. Step 1: Write the proportion equation
   13,448 : 18,558.24 = 7,560 : x
2. Step 2: Convert to fraction form
   13,448/18,558.24 = 7,560/x
3. Step 3: Cross multiply
   13,448x = 18,558.24 × 7,560
4. Step 4: Simplify right side
   13,448x = 140,300,294.40
5. Step 5: Solve for x
   x = 140,300,294.40/13,448
6. Step 6: Final answer
   x = 10,432.80