Finding the Fourth Proportional to 25,773.78, 35,518.02 and 18,308.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,773.78 : 35,518.02 = 18,308.82 : x
2. Step 2: Convert to fraction form
   25,773.78/35,518.02 = 18,308.82/x
3. Step 3: Cross multiply
   25,773.78x = 35,518.02 × 18,308.82
4. Step 4: Simplify right side
   25,773.78x = 650,293,034.94
5. Step 5: Solve for x
   x = 650,293,034.94/25,773.78
6. Step 6: Final answer
   x = 25,230.80