Finding the Fourth Proportional to 12,515.33, 17,270.37 and 7,477.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,515.33 : 17,270.37 = 7,477.94 : x
2. Step 2: Convert to fraction form
   12,515.33/17,270.37 = 7,477.94/x
3. Step 3: Cross multiply
   12,515.33x = 17,270.37 × 7,477.94
4. Step 4: Simplify right side
   12,515.33x = 129,146,833.81
5. Step 5: Solve for x
   x = 129,146,833.81/12,515.33
6. Step 6: Final answer
   x = 10,319.09