Finding the Fourth Proportional to 25,643.27, 35,389.49 and 14,315.00

Step by Step Solution

1. Step 1: Write the proportion equation
   25,643.27 : 35,389.49 = 14,315.00 : x
2. Step 2: Convert to fraction form
   25,643.27/35,389.49 = 14,315.00/x
3. Step 3: Cross multiply
   25,643.27x = 35,389.49 × 14,315.00
4. Step 4: Simplify right side
   25,643.27x = 506,600,300.83
5. Step 5: Solve for x
   x = 506,600,300.83/25,643.27
6. Step 6: Final answer
   x = 19,755.69