Finding the Fourth Proportional to 1,500.81, 2,068.32 and 1,080.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.81 : 2,068.32 = 1,080.44 : x
2. Step 2: Convert to fraction form
   1,500.81/2,068.32 = 1,080.44/x
3. Step 3: Cross multiply
   1,500.81x = 2,068.32 × 1,080.44
4. Step 4: Simplify right side
   1,500.81x = 2,234,695.66
5. Step 5: Solve for x
   x = 2,234,695.66/1,500.81
6. Step 6: Final answer
   x = 1,488.99