Finding the Fourth Proportional to 1,505.39, 2,066.36 and 1,335.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.39 : 2,066.36 = 1,335.89 : x
2. Step 2: Convert to fraction form
   1,505.39/2,066.36 = 1,335.89/x
3. Step 3: Cross multiply
   1,505.39x = 2,066.36 × 1,335.89
4. Step 4: Simplify right side
   1,505.39x = 2,760,435.66
5. Step 5: Solve for x
   x = 2,760,435.66/1,505.39
6. Step 6: Final answer
   x = 1,833.71