Finding the Fourth Proportional to 2,516.59, 3,776.30 and 1,055.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.59 : 3,776.30 = 1,055.69 : x
2. Step 2: Convert to fraction form
   2,516.59/3,776.30 = 1,055.69/x
3. Step 3: Cross multiply
   2,516.59x = 3,776.30 × 1,055.69
4. Step 4: Simplify right side
   2,516.59x = 3,986,602.15
5. Step 5: Solve for x
   x = 3,986,602.15/2,516.59
6. Step 6: Final answer
   x = 1,584.13