Finding the Fourth Proportional to 2,329.47, 3,213.69 and 1,542.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.47 : 3,213.69 = 1,542.15 : x
2. Step 2: Convert to fraction form
   2,329.47/3,213.69 = 1,542.15/x
3. Step 3: Cross multiply
   2,329.47x = 3,213.69 × 1,542.15
4. Step 4: Simplify right side
   2,329.47x = 4,955,992.03
5. Step 5: Solve for x
   x = 4,955,992.03/2,329.47
6. Step 6: Final answer
   x = 2,127.52