Finding the Fourth Proportional to 2,002.75, 3,003.63 and 891.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.75 : 3,003.63 = 891.54 : x
2. Step 2: Convert to fraction form
   2,002.75/3,003.63 = 891.54/x
3. Step 3: Cross multiply
   2,002.75x = 3,003.63 × 891.54
4. Step 4: Simplify right side
   2,002.75x = 2,677,852.95
5. Step 5: Solve for x
   x = 2,677,852.95/2,002.75
6. Step 6: Final answer
   x = 1,337.09