Finding the Fourth Proportional to 1,761.40, 2,435.37 and 1,542.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.40 : 2,435.37 = 1,542.70 : x
2. Step 2: Convert to fraction form
   1,761.40/2,435.37 = 1,542.70/x
3. Step 3: Cross multiply
   1,761.40x = 2,435.37 × 1,542.70
4. Step 4: Simplify right side
   1,761.40x = 3,757,045.30
5. Step 5: Solve for x
   x = 3,757,045.30/1,761.40
6. Step 6: Final answer
   x = 2,132.99