Finding the Fourth Proportional to 12,515.08, 17,270.04 and 7,477.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,515.08 : 17,270.04 = 7,477.69 : x
2. Step 2: Convert to fraction form
   12,515.08/17,270.04 = 7,477.69/x
3. Step 3: Cross multiply
   12,515.08x = 17,270.04 × 7,477.69
4. Step 4: Simplify right side
   12,515.08x = 129,140,005.41
5. Step 5: Solve for x
   x = 129,140,005.41/12,515.08
6. Step 6: Final answer
   x = 10,318.75