Finding the Fourth Proportional to 25,402.82, 35,055.90 and 13,917.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,402.82 : 35,055.90 = 13,917.69 : x
2. Step 2: Convert to fraction form
   25,402.82/35,055.90 = 13,917.69/x
3. Step 3: Cross multiply
   25,402.82x = 35,055.90 × 13,917.69
4. Step 4: Simplify right side
   25,402.82x = 487,897,148.87
5. Step 5: Solve for x
   x = 487,897,148.87/25,402.82
6. Step 6: Final answer
   x = 19,206.42