Finding the Fourth Proportional to 25,580.26, 35,300.78 and 14,250.79

Step by Step Solution

1. Step 1: Write the proportion equation
   25,580.26 : 35,300.78 = 14,250.79 : x
2. Step 2: Convert to fraction form
   25,580.26/35,300.78 = 14,250.79/x
3. Step 3: Cross multiply
   25,580.26x = 35,300.78 × 14,250.79
4. Step 4: Simplify right side
   25,580.26x = 503,064,002.62
5. Step 5: Solve for x
   x = 503,064,002.62/25,580.26
6. Step 6: Final answer
   x = 19,666.10