Finding the Fourth Proportional to 2,352.47, 3,528.27 and 891.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,352.47 : 3,528.27 = 891.14 : x
2. Step 2: Convert to fraction form
   2,352.47/3,528.27 = 891.14/x
3. Step 3: Cross multiply
   2,352.47x = 3,528.27 × 891.14
4. Step 4: Simplify right side
   2,352.47x = 3,144,164.89
5. Step 5: Solve for x
   x = 3,144,164.89/2,352.47
6. Step 6: Final answer
   x = 1,336.54