Finding the Fourth Proportional to 1,797.96, 2,479.86 and 1,355.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797.96 : 2,479.86 = 1,355.88 : x
2. Step 2: Convert to fraction form
   1,797.96/2,479.86 = 1,355.88/x
3. Step 3: Cross multiply
   1,797.96x = 2,479.86 × 1,355.88
4. Step 4: Simplify right side
   1,797.96x = 3,362,392.58
5. Step 5: Solve for x
   x = 3,362,392.58/1,797.96
6. Step 6: Final answer
   x = 1,870.12