Finding the Fourth Proportional to 2,543.00, 3,810.34 and 1,308.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.00 : 3,810.34 = 1,308.66 : x
2. Step 2: Convert to fraction form
   2,543.00/3,810.34 = 1,308.66/x
3. Step 3: Cross multiply
   2,543.00x = 3,810.34 × 1,308.66
4. Step 4: Simplify right side
   2,543.00x = 4,986,426.89
5. Step 5: Solve for x
   x = 4,986,426.89/2,543.00
6. Step 6: Final answer
   x = 1,960.85