Finding the Fourth Proportional to 2,288.96, 3,158.59 and 1,543.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.96 : 3,158.59 = 1,543.93 : x
2. Step 2: Convert to fraction form
   2,288.96/3,158.59 = 1,543.93/x
3. Step 3: Cross multiply
   2,288.96x = 3,158.59 × 1,543.93
4. Step 4: Simplify right side
   2,288.96x = 4,876,618.35
5. Step 5: Solve for x
   x = 4,876,618.35/2,288.96
6. Step 6: Final answer
   x = 2,130.50