Finding the Fourth Proportional to 2,276.05, 3,140.89 and 1,490.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.05 : 3,140.89 = 1,490.08 : x
2. Step 2: Convert to fraction form
   2,276.05/3,140.89 = 1,490.08/x
3. Step 3: Cross multiply
   2,276.05x = 3,140.89 × 1,490.08
4. Step 4: Simplify right side
   2,276.05x = 4,680,177.37
5. Step 5: Solve for x
   x = 4,680,177.37/2,276.05
6. Step 6: Final answer
   x = 2,056.27