Finding the Fourth Proportional to 2,155.88, 2,974.38 and 1,762.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.88 : 2,974.38 = 1,762.76 : x
2. Step 2: Convert to fraction form
   2,155.88/2,974.38 = 1,762.76/x
3. Step 3: Cross multiply
   2,155.88x = 2,974.38 × 1,762.76
4. Step 4: Simplify right side
   2,155.88x = 5,243,118.09
5. Step 5: Solve for x
   x = 5,243,118.09/2,155.88
6. Step 6: Final answer
   x = 2,432.01