Finding the Fourth Proportional to 12,526.17, 17,288.02 and 7,148.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,526.17 : 17,288.02 = 7,148.58 : x
2. Step 2: Convert to fraction form
   12,526.17/17,288.02 = 7,148.58/x
3. Step 3: Cross multiply
   12,526.17x = 17,288.02 × 7,148.58
4. Step 4: Simplify right side
   12,526.17x = 123,584,758.27
5. Step 5: Solve for x
   x = 123,584,758.27/12,526.17
6. Step 6: Final answer
   x = 9,866.12