Finding the Fourth Proportional to 2,803.74, 3,863.04 and 1,870.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.74 : 3,863.04 = 1,870.62 : x
2. Step 2: Convert to fraction form
   2,803.74/3,863.04 = 1,870.62/x
3. Step 3: Cross multiply
   2,803.74x = 3,863.04 × 1,870.62
4. Step 4: Simplify right side
   2,803.74x = 7,226,279.88
5. Step 5: Solve for x
   x = 7,226,279.88/2,803.74
6. Step 6: Final answer
   x = 2,577.37