Finding the Fourth Proportional to 2,621.88, 3,930.12 and 1,797.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.88 : 3,930.12 = 1,797.48 : x
2. Step 2: Convert to fraction form
   2,621.88/3,930.12 = 1,797.48/x
3. Step 3: Cross multiply
   2,621.88x = 3,930.12 × 1,797.48
4. Step 4: Simplify right side
   2,621.88x = 7,064,312.10
5. Step 5: Solve for x
   x = 7,064,312.10/2,621.88
6. Step 6: Final answer
   x = 2,694.37