Finding the Fourth Proportional to 3,392.69, 5,088.42 and 1,543.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.69 : 5,088.42 = 1,543.86 : x
2. Step 2: Convert to fraction form
   3,392.69/5,088.42 = 1,543.86/x
3. Step 3: Cross multiply
   3,392.69x = 5,088.42 × 1,543.86
4. Step 4: Simplify right side
   3,392.69x = 7,855,808.10
5. Step 5: Solve for x
   x = 7,855,808.10/3,392.69
6. Step 6: Final answer
   x = 2,315.51