Finding the Fourth Proportional to 25,062.56, 34,567.36 and 16,105.20

Step by Step Solution

1. Step 1: Write the proportion equation
   25,062.56 : 34,567.36 = 16,105.20 : x
2. Step 2: Convert to fraction form
   25,062.56/34,567.36 = 16,105.20/x
3. Step 3: Cross multiply
   25,062.56x = 34,567.36 × 16,105.20
4. Step 4: Simplify right side
   25,062.56x = 556,714,368.04
5. Step 5: Solve for x
   x = 556,714,368.04/25,062.56
6. Step 6: Final answer
   x = 22,212.99