Finding the Fourth Proportional to 25,978.72, 35,850.90 and 14,042.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,978.72 : 35,850.90 = 14,042.29 : x
2. Step 2: Convert to fraction form
   25,978.72/35,850.90 = 14,042.29/x
3. Step 3: Cross multiply
   25,978.72x = 35,850.90 × 14,042.29
4. Step 4: Simplify right side
   25,978.72x = 503,428,734.56
5. Step 5: Solve for x
   x = 503,428,734.56/25,978.72
6. Step 6: Final answer
   x = 19,378.50