Finding the Fourth Proportional to 1,836.05, 2,535.08 and 1,275.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.05 : 2,535.08 = 1,275.57 : x
2. Step 2: Convert to fraction form
   1,836.05/2,535.08 = 1,275.57/x
3. Step 3: Cross multiply
   1,836.05x = 2,535.08 × 1,275.57
4. Step 4: Simplify right side
   1,836.05x = 3,233,665.62
5. Step 5: Solve for x
   x = 3,233,665.62/1,836.05
6. Step 6: Final answer
   x = 1,761.21