Finding the Fourth Proportional to 2,748.47, 4,122.50 and 1,103.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.47 : 4,122.50 = 1,103.96 : x
2. Step 2: Convert to fraction form
   2,748.47/4,122.50 = 1,103.96/x
3. Step 3: Cross multiply
   2,748.47x = 4,122.50 × 1,103.96
4. Step 4: Simplify right side
   2,748.47x = 4,551,079.89
5. Step 5: Solve for x
   x = 4,551,079.89/2,748.47
6. Step 6: Final answer
   x = 1,655.86