Finding the Fourth Proportional to 12,526.12, 17,285.02 and 7,148.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,526.12 : 17,285.02 = 7,148.53 : x
2. Step 2: Convert to fraction form
   12,526.12/17,285.02 = 7,148.53/x
3. Step 3: Cross multiply
   12,526.12x = 17,285.02 × 7,148.53
4. Step 4: Simplify right side
   12,526.12x = 123,562,484.02
5. Step 5: Solve for x
   x = 123,562,484.02/12,526.12
6. Step 6: Final answer
   x = 9,864.39