Finding the Fourth Proportional to 5,103.44, 7,654.71 and 1,405.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.44 : 7,654.71 = 1,405.55 : x
2. Step 2: Convert to fraction form
   5,103.44/7,654.71 = 1,405.55/x
3. Step 3: Cross multiply
   5,103.44x = 7,654.71 × 1,405.55
4. Step 4: Simplify right side
   5,103.44x = 10,759,077.64
5. Step 5: Solve for x
   x = 10,759,077.64/5,103.44
6. Step 6: Final answer
   x = 2,108.20