Finding the Fourth Proportional to 1,591.84, 2,371.35 and 1,543.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.84 : 2,371.35 = 1,543.48 : x
2. Step 2: Convert to fraction form
   1,591.84/2,371.35 = 1,543.48/x
3. Step 3: Cross multiply
   1,591.84x = 2,371.35 × 1,543.48
4. Step 4: Simplify right side
   1,591.84x = 3,660,111.72
5. Step 5: Solve for x
   x = 3,660,111.72/1,591.84
6. Step 6: Final answer
   x = 2,299.30