Finding the Fourth Proportional to 17,060.10, 25,628.55 and 16,407.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,060.10 : 25,628.55 = 16,407.30 : x
2. Step 2: Convert to fraction form
   17,060.10/25,628.55 = 16,407.30/x
3. Step 3: Cross multiply
   17,060.10x = 25,628.55 × 16,407.30
4. Step 4: Simplify right side
   17,060.10x = 420,495,308.42
5. Step 5: Solve for x
   x = 420,495,308.42/17,060.10
6. Step 6: Final answer
   x = 24,647.88