Finding the Fourth Proportional to 2,298.75, 3,446.78 and 1,559.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.75 : 3,446.78 = 1,559.30 : x
2. Step 2: Convert to fraction form
   2,298.75/3,446.78 = 1,559.30/x
3. Step 3: Cross multiply
   2,298.75x = 3,446.78 × 1,559.30
4. Step 4: Simplify right side
   2,298.75x = 5,374,539.02
5. Step 5: Solve for x
   x = 5,374,539.02/2,298.75
6. Step 6: Final answer
   x = 2,338.03