Finding the Fourth Proportional to 25,128.09, 37,690.52 and 9,545.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.09 : 37,690.52 = 9,545.31 : x
2. Step 2: Convert to fraction form
   25,128.09/37,690.52 = 9,545.31/x
3. Step 3: Cross multiply
   25,128.09x = 37,690.52 × 9,545.31
4. Step 4: Simplify right side
   25,128.09x = 359,767,649.73
5. Step 5: Solve for x
   x = 359,767,649.73/25,128.09
6. Step 6: Final answer
   x = 14,317.35