Finding the Fourth Proportional to 25,284, 37,908.72 and 15,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,284 : 37,908.72 = 15,426.72 : x
2. Step 2: Convert to fraction form
   25,284/37,908.72 = 15,426.72/x
3. Step 3: Cross multiply
   25,284x = 37,908.72 × 15,426.72
4. Step 4: Simplify right side
   25,284x = 584,807,209.00
5. Step 5: Solve for x
   x = 584,807,209.00/25,284
6. Step 6: Final answer
   x = 23,129.54