Finding the Fourth Proportional to 12,801.72, 17,670.82 and 7,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.72 : 17,670.82 = 7,498.28 : x
2. Step 2: Convert to fraction form
   12,801.72/17,670.82 = 7,498.28/x
3. Step 3: Cross multiply
   12,801.72x = 17,670.82 × 7,498.28
4. Step 4: Simplify right side
   12,801.72x = 132,500,756.19
5. Step 5: Solve for x
   x = 132,500,756.19/12,801.72
6. Step 6: Final answer
   x = 10,350.23