Finding the Fourth Proportional to 2,579.32, 3,559.34 and 1,400.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.32 : 3,559.34 = 1,400.38 : x
2. Step 2: Convert to fraction form
   2,579.32/3,559.34 = 1,400.38/x
3. Step 3: Cross multiply
   2,579.32x = 3,559.34 × 1,400.38
4. Step 4: Simplify right side
   2,579.32x = 4,984,428.55
5. Step 5: Solve for x
   x = 4,984,428.55/2,579.32
6. Step 6: Final answer
   x = 1,932.46