Finding the Fourth Proportional to 1,909.32, 2,865.33 and 1,031.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,909.32 : 2,865.33 = 1,031.82 : x
2. Step 2: Convert to fraction form
   1,909.32/2,865.33 = 1,031.82/x
3. Step 3: Cross multiply
   1,909.32x = 2,865.33 × 1,031.82
4. Step 4: Simplify right side
   1,909.32x = 2,956,504.80
5. Step 5: Solve for x
   x = 2,956,504.80/1,909.32
6. Step 6: Final answer
   x = 1,548.46