Finding the Fourth Proportional to 2,329.47, 3,214.59 and 1,385.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.47 : 3,214.59 = 1,385.27 : x
2. Step 2: Convert to fraction form
   2,329.47/3,214.59 = 1,385.27/x
3. Step 3: Cross multiply
   2,329.47x = 3,214.59 × 1,385.27
4. Step 4: Simplify right side
   2,329.47x = 4,453,059.02
5. Step 5: Solve for x
   x = 4,453,059.02/2,329.47
6. Step 6: Final answer
   x = 1,911.62