Finding the Fourth Proportional to 1,870.32, 2,581.56 and 1,282.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.32 : 2,581.56 = 1,282.32 : x
2. Step 2: Convert to fraction form
   1,870.32/2,581.56 = 1,282.32/x
3. Step 3: Cross multiply
   1,870.32x = 2,581.56 × 1,282.32
4. Step 4: Simplify right side
   1,870.32x = 3,310,386.02
5. Step 5: Solve for x
   x = 3,310,386.02/1,870.32
6. Step 6: Final answer
   x = 1,769.96