Finding the Fourth Proportional to 1,555.24, 2,334.06 and 1,543.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.24 : 2,334.06 = 1,543.08 : x
2. Step 2: Convert to fraction form
   1,555.24/2,334.06 = 1,543.08/x
3. Step 3: Cross multiply
   1,555.24x = 2,334.06 × 1,543.08
4. Step 4: Simplify right side
   1,555.24x = 3,601,641.30
5. Step 5: Solve for x
   x = 3,601,641.30/1,555.24
6. Step 6: Final answer
   x = 2,315.81