Finding the Fourth Proportional to 2,391.64, 3,300.51 and 1,329.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.64 : 3,300.51 = 1,329.48 : x
2. Step 2: Convert to fraction form
   2,391.64/3,300.51 = 1,329.48/x
3. Step 3: Cross multiply
   2,391.64x = 3,300.51 × 1,329.48
4. Step 4: Simplify right side
   2,391.64x = 4,387,967.02
5. Step 5: Solve for x
   x = 4,387,967.02/2,391.64
6. Step 6: Final answer
   x = 1,834.71