Finding the Fourth Proportional to 25,445.82, 35,114.22 and 15,380.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,445.82 : 35,114.22 = 15,380.16 : x
2. Step 2: Convert to fraction form
   25,445.82/35,114.22 = 15,380.16/x
3. Step 3: Cross multiply
   25,445.82x = 35,114.22 × 15,380.16
4. Step 4: Simplify right side
   25,445.82x = 540,062,321.88
5. Step 5: Solve for x
   x = 540,062,321.88/25,445.82
6. Step 6: Final answer
   x = 21,224.01