Finding the Fourth Proportional to 12,510.72, 17,282.52 and 10,009.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,510.72 : 17,282.52 = 10,009.44 : x
2. Step 2: Convert to fraction form
   12,510.72/17,282.52 = 10,009.44/x
3. Step 3: Cross multiply
   12,510.72x = 17,282.52 × 10,009.44
4. Step 4: Simplify right side
   12,510.72x = 172,988,346.99
5. Step 5: Solve for x
   x = 172,988,346.99/12,510.72
6. Step 6: Final answer
   x = 13,827.21