Finding the Fourth Proportional to 1,870.21, 2,581.88 and 1,449.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.21 : 2,581.88 = 1,449.61 : x
2. Step 2: Convert to fraction form
   1,870.21/2,581.88 = 1,449.61/x
3. Step 3: Cross multiply
   1,870.21x = 2,581.88 × 1,449.61
4. Step 4: Simplify right side
   1,870.21x = 3,742,719.89
5. Step 5: Solve for x
   x = 3,742,719.89/1,870.21
6. Step 6: Final answer
   x = 2,001.23