Finding the Fourth Proportional to 25,288.74, 37,941.21 and 12,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   25,288.74 : 37,941.21 = 12,142.04 : x
2. Step 2: Convert to fraction form
   25,288.74/37,941.21 = 12,142.04/x
3. Step 3: Cross multiply
   25,288.74x = 37,941.21 × 12,142.04
4. Step 4: Simplify right side
   25,288.74x = 460,683,499.76
5. Step 5: Solve for x
   x = 460,683,499.76/25,288.74
6. Step 6: Final answer
   x = 18,216.94