Finding the Fourth Proportional to 5,403.72, 7,456.50 and 3,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,403.72 : 7,456.50 = 3,045.72 : x
2. Step 2: Convert to fraction form
   5,403.72/7,456.50 = 3,045.72/x
3. Step 3: Cross multiply
   5,403.72x = 7,456.50 × 3,045.72
4. Step 4: Simplify right side
   5,403.72x = 22,710,411.18
5. Step 5: Solve for x
   x = 22,710,411.18/5,403.72
6. Step 6: Final answer
   x = 4,202.74