Finding the Fourth Proportional to 2,552.32, 3,826.88 and 1,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.32 : 3,826.88 = 1,940 : x
2. Step 2: Convert to fraction form
   2,552.32/3,826.88 = 1,940/x
3. Step 3: Cross multiply
   2,552.32x = 3,826.88 × 1,940
4. Step 4: Simplify right side
   2,552.32x = 7,424,147.20
5. Step 5: Solve for x
   x = 7,424,147.20/2,552.32
6. Step 6: Final answer
   x = 2,908.78