Finding the Fourth Proportional to 25,123.56, 34,674.12 and 15,052.40

Step by Step Solution

1. Step 1: Write the proportion equation
   25,123.56 : 34,674.12 = 15,052.40 : x
2. Step 2: Convert to fraction form
   25,123.56/34,674.12 = 15,052.40/x
3. Step 3: Cross multiply
   25,123.56x = 34,674.12 × 15,052.40
4. Step 4: Simplify right side
   25,123.56x = 521,928,723.89
5. Step 5: Solve for x
   x = 521,928,723.89/25,123.56
6. Step 6: Final answer
   x = 20,774.47