Finding the Fourth Proportional to 12,867.58, 17,751.61 and 7,560

Step by Step Solution

1. Step 1: Write the proportion equation
   12,867.58 : 17,751.61 = 7,560 : x
2. Step 2: Convert to fraction form
   12,867.58/17,751.61 = 7,560/x
3. Step 3: Cross multiply
   12,867.58x = 17,751.61 × 7,560
4. Step 4: Simplify right side
   12,867.58x = 134,202,171.60
5. Step 5: Solve for x
   x = 134,202,171.60/12,867.58
6. Step 6: Final answer
   x = 10,429.48