Finding the Fourth Proportional to 2,663.08, 3,675.31 and 1,543.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.08 : 3,675.31 = 1,543.93 : x
2. Step 2: Convert to fraction form
   2,663.08/3,675.31 = 1,543.93/x
3. Step 3: Cross multiply
   2,663.08x = 3,675.31 × 1,543.93
4. Step 4: Simplify right side
   2,663.08x = 5,674,408.32
5. Step 5: Solve for x
   x = 5,674,408.32/2,663.08
6. Step 6: Final answer
   x = 2,130.77