Finding the Fourth Proportional to 1,500.80, 2,066.31 and 1,314.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.80 : 2,066.31 = 1,314.09 : x
2. Step 2: Convert to fraction form
   1,500.80/2,066.31 = 1,314.09/x
3. Step 3: Cross multiply
   1,500.80x = 2,066.31 × 1,314.09
4. Step 4: Simplify right side
   1,500.80x = 2,715,317.31
5. Step 5: Solve for x
   x = 2,715,317.31/1,500.80
6. Step 6: Final answer
   x = 1,809.25