Finding the Fourth Proportional to 1,807.32, 2,494.30 and 1,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.32 : 2,494.30 = 1,061.40 : x
2. Step 2: Convert to fraction form
   1,807.32/2,494.30 = 1,061.40/x
3. Step 3: Cross multiply
   1,807.32x = 2,494.30 × 1,061.40
4. Step 4: Simplify right side
   1,807.32x = 2,647,450.02
5. Step 5: Solve for x
   x = 2,647,450.02/1,807.32
6. Step 6: Final answer
   x = 1,464.85