Finding the Fourth Proportional to 25,680.05, 35,418.96 and 22,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,680.05 : 35,418.96 = 22,100.96 : x
2. Step 2: Convert to fraction form
   25,680.05/35,418.96 = 22,100.96/x
3. Step 3: Cross multiply
   25,680.05x = 35,418.96 × 22,100.96
4. Step 4: Simplify right side
   25,680.05x = 782,793,018.20
5. Step 5: Solve for x
   x = 782,793,018.20/25,680.05
6. Step 6: Final answer
   x = 30,482.53