Finding the Fourth Proportional to 1,761.40, 2,637.78 and 1,182.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.40 : 2,637.78 = 1,182.52 : x
2. Step 2: Convert to fraction form
   1,761.40/2,637.78 = 1,182.52/x
3. Step 3: Cross multiply
   1,761.40x = 2,637.78 × 1,182.52
4. Step 4: Simplify right side
   1,761.40x = 3,119,227.61
5. Step 5: Solve for x
   x = 3,119,227.61/1,761.40
6. Step 6: Final answer
   x = 1,770.88