Finding the Fourth Proportional to 2,514.72, 3,772.20 and 1,053.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.72 : 3,772.20 = 1,053.92 : x
2. Step 2: Convert to fraction form
   2,514.72/3,772.20 = 1,053.92/x
3. Step 3: Cross multiply
   2,514.72x = 3,772.20 × 1,053.92
4. Step 4: Simplify right side
   2,514.72x = 3,975,597.02
5. Step 5: Solve for x
   x = 3,975,597.02/2,514.72
6. Step 6: Final answer
   x = 1,580.93