Finding the Fourth Proportional to 2,353.05, 3,527.01 and 891.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.05 : 3,527.01 = 891.54 : x
2. Step 2: Convert to fraction form
   2,353.05/3,527.01 = 891.54/x
3. Step 3: Cross multiply
   2,353.05x = 3,527.01 × 891.54
4. Step 4: Simplify right side
   2,353.05x = 3,144,470.50
5. Step 5: Solve for x
   x = 3,144,470.50/2,353.05
6. Step 6: Final answer
   x = 1,336.34