Finding the Fourth Proportional to 25,111.99, 37,626.39 and 12,605.59

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.99 : 37,626.39 = 12,605.59 : x
2. Step 2: Convert to fraction form
   25,111.99/37,626.39 = 12,605.59/x
3. Step 3: Cross multiply
   25,111.99x = 37,626.39 × 12,605.59
4. Step 4: Simplify right side
   25,111.99x = 474,302,892.55
5. Step 5: Solve for x
   x = 474,302,892.55/25,111.99
6. Step 6: Final answer
   x = 18,887.51