Finding the Fourth Proportional to 25,574, 35,293.56 and 14,396.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,574 : 35,293.56 = 14,396.72 : x
2. Step 2: Convert to fraction form
   25,574/35,293.56 = 14,396.72/x
3. Step 3: Cross multiply
   25,574x = 35,293.56 × 14,396.72
4. Step 4: Simplify right side
   25,574x = 508,111,501.12
5. Step 5: Solve for x
   x = 508,111,501.12/25,574
6. Step 6: Final answer
   x = 19,868.28