Finding the Fourth Proportional to 2,024.72, 3,030.20 and 1,294.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,024.72 : 3,030.20 = 1,294.80 : x
2. Step 2: Convert to fraction form
   2,024.72/3,030.20 = 1,294.80/x
3. Step 3: Cross multiply
   2,024.72x = 3,030.20 × 1,294.80
4. Step 4: Simplify right side
   2,024.72x = 3,923,502.96
5. Step 5: Solve for x
   x = 3,923,502.96/2,024.72
6. Step 6: Final answer
   x = 1,937.80