Finding the Fourth Proportional to 25,149.33, 37,728.72 and 12,002.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,149.33 : 37,728.72 = 12,002.63 : x
2. Step 2: Convert to fraction form
   25,149.33/37,728.72 = 12,002.63/x
3. Step 3: Cross multiply
   25,149.33x = 37,728.72 × 12,002.63
4. Step 4: Simplify right side
   25,149.33x = 452,843,677.89
5. Step 5: Solve for x
   x = 452,843,677.89/25,149.33
6. Step 6: Final answer
   x = 18,006.19