Finding the Fourth Proportional to 2,376.28, 3,561.18 and 1,074.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.28 : 3,561.18 = 1,074.70 : x
2. Step 2: Convert to fraction form
   2,376.28/3,561.18 = 1,074.70/x
3. Step 3: Cross multiply
   2,376.28x = 3,561.18 × 1,074.70
4. Step 4: Simplify right side
   2,376.28x = 3,827,200.15
5. Step 5: Solve for x
   x = 3,827,200.15/2,376.28
6. Step 6: Final answer
   x = 1,610.58