Finding the Fourth Proportional to 3,057.78, 4,585.72 and 1,302.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.78 : 4,585.72 = 1,302.76 : x
2. Step 2: Convert to fraction form
   3,057.78/4,585.72 = 1,302.76/x
3. Step 3: Cross multiply
   3,057.78x = 4,585.72 × 1,302.76
4. Step 4: Simplify right side
   3,057.78x = 5,974,092.59
5. Step 5: Solve for x
   x = 5,974,092.59/3,057.78
6. Step 6: Final answer
   x = 1,953.74