Finding the Fourth Proportional to 12,891.52, 17,789.75 and 7,302.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,891.52 : 17,789.75 = 7,302.52 : x
2. Step 2: Convert to fraction form
   12,891.52/17,789.75 = 7,302.52/x
3. Step 3: Cross multiply
   12,891.52x = 17,789.75 × 7,302.52
4. Step 4: Simplify right side
   12,891.52x = 129,910,005.17
5. Step 5: Solve for x
   x = 129,910,005.17/12,891.52
6. Step 6: Final answer
   x = 10,077.17