Finding the Fourth Proportional to 2,472.72, 3,709.12 and 1,174.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.72 : 3,709.12 = 1,174.32 : x
2. Step 2: Convert to fraction form
   2,472.72/3,709.12 = 1,174.32/x
3. Step 3: Cross multiply
   2,472.72x = 3,709.12 × 1,174.32
4. Step 4: Simplify right side
   2,472.72x = 4,355,693.80
5. Step 5: Solve for x
   x = 4,355,693.80/2,472.72
6. Step 6: Final answer
   x = 1,761.50