Finding the Fourth Proportional to 12,526.43, 17,288.36 and 7,148.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,526.43 : 17,288.36 = 7,148.84 : x
2. Step 2: Convert to fraction form
   12,526.43/17,288.36 = 7,148.84/x
3. Step 3: Cross multiply
   12,526.43x = 17,288.36 × 7,148.84
4. Step 4: Simplify right side
   12,526.43x = 123,591,650.93
5. Step 5: Solve for x
   x = 123,591,650.93/12,526.43
6. Step 6: Final answer
   x = 9,866.47