Finding the Fourth Proportional to 2,505.52, 3,756.25 and 1,045.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.52 : 3,756.25 = 1,045.76 : x
2. Step 2: Convert to fraction form
   2,505.52/3,756.25 = 1,045.76/x
3. Step 3: Cross multiply
   2,505.52x = 3,756.25 × 1,045.76
4. Step 4: Simplify right side
   2,505.52x = 3,928,146.70
5. Step 5: Solve for x
   x = 3,928,146.70/2,505.52
6. Step 6: Final answer
   x = 1,567.80