Finding the Fourth Proportional to 2,005.41, 3,008.23 and 909.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.41 : 3,008.23 = 909.86 : x
2. Step 2: Convert to fraction form
   2,005.41/3,008.23 = 909.86/x
3. Step 3: Cross multiply
   2,005.41x = 3,008.23 × 909.86
4. Step 4: Simplify right side
   2,005.41x = 2,737,068.15
5. Step 5: Solve for x
   x = 2,737,068.15/2,005.41
6. Step 6: Final answer
   x = 1,364.84