Finding the Fourth Proportional to 2,810.76, 4,210.71 and 1,574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.76 : 4,210.71 = 1,574.42 : x
2. Step 2: Convert to fraction form
   2,810.76/4,210.71 = 1,574.42/x
3. Step 3: Cross multiply
   2,810.76x = 4,210.71 × 1,574.42
4. Step 4: Simplify right side
   2,810.76x = 6,629,404.98
5. Step 5: Solve for x
   x = 6,629,404.98/2,810.76
6. Step 6: Final answer
   x = 2,358.58