Finding the Fourth Proportional to 2,472.12, 3,710.34 and 1,607.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.12 : 3,710.34 = 1,607.40 : x
2. Step 2: Convert to fraction form
   2,472.12/3,710.34 = 1,607.40/x
3. Step 3: Cross multiply
   2,472.12x = 3,710.34 × 1,607.40
4. Step 4: Simplify right side
   2,472.12x = 5,964,000.52
5. Step 5: Solve for x
   x = 5,964,000.52/2,472.12
6. Step 6: Final answer
   x = 2,412.50