Finding the Fourth Proportional to 25,144.50, 37,662.93 and 13,260.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,144.50 : 37,662.93 = 13,260.72 : x
2. Step 2: Convert to fraction form
   25,144.50/37,662.93 = 13,260.72/x
3. Step 3: Cross multiply
   25,144.50x = 37,662.93 × 13,260.72
4. Step 4: Simplify right side
   25,144.50x = 499,437,569.11
5. Step 5: Solve for x
   x = 499,437,569.11/25,144.50
6. Step 6: Final answer
   x = 19,862.70