Finding the Fourth Proportional to 2,909.32, 4,013.76 and 1,789.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.32 : 4,013.76 = 1,789.36 : x
2. Step 2: Convert to fraction form
   2,909.32/4,013.76 = 1,789.36/x
3. Step 3: Cross multiply
   2,909.32x = 4,013.76 × 1,789.36
4. Step 4: Simplify right side
   2,909.32x = 7,182,061.59
5. Step 5: Solve for x
   x = 7,182,061.59/2,909.32
6. Step 6: Final answer
   x = 2,468.64