Finding the Fourth Proportional to 1,767.61, 2,645.94 and 1,505.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.61 : 2,645.94 = 1,505.17 : x
2. Step 2: Convert to fraction form
   1,767.61/2,645.94 = 1,505.17/x
3. Step 3: Cross multiply
   1,767.61x = 2,645.94 × 1,505.17
4. Step 4: Simplify right side
   1,767.61x = 3,982,589.51
5. Step 5: Solve for x
   x = 3,982,589.51/1,767.61
6. Step 6: Final answer
   x = 2,253.09