Finding the Fourth Proportional to 1,559.82, 2,337.30 and 909.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.82 : 2,337.30 = 909.81 : x
2. Step 2: Convert to fraction form
   1,559.82/2,337.30 = 909.81/x
3. Step 3: Cross multiply
   1,559.82x = 2,337.30 × 909.81
4. Step 4: Simplify right side
   1,559.82x = 2,126,498.91
5. Step 5: Solve for x
   x = 2,126,498.91/1,559.82
6. Step 6: Final answer
   x = 1,363.30