Finding the Fourth Proportional to 5,103.15, 7,654.76 and 1,405.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.15 : 7,654.76 = 1,405.58 : x
2. Step 2: Convert to fraction form
   5,103.15/7,654.76 = 1,405.58/x
3. Step 3: Cross multiply
   5,103.15x = 7,654.76 × 1,405.58
4. Step 4: Simplify right side
   5,103.15x = 10,759,377.56
5. Step 5: Solve for x
   x = 10,759,377.56/5,103.15
6. Step 6: Final answer
   x = 2,108.38