Finding the Fourth Proportional to 25,407.32, 35,039.25 and 16,445.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,407.32 : 35,039.25 = 16,445.48 : x
2. Step 2: Convert to fraction form
   25,407.32/35,039.25 = 16,445.48/x
3. Step 3: Cross multiply
   25,407.32x = 35,039.25 × 16,445.48
4. Step 4: Simplify right side
   25,407.32x = 576,237,109.89
5. Step 5: Solve for x
   x = 576,237,109.89/25,407.32
6. Step 6: Final answer
   x = 22,679.97