Finding the Fourth Proportional to 5,103.38, 7,654.15 and 1,405.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.38 : 7,654.15 = 1,405.13 : x
2. Step 2: Convert to fraction form
   5,103.38/7,654.15 = 1,405.13/x
3. Step 3: Cross multiply
   5,103.38x = 7,654.15 × 1,405.13
4. Step 4: Simplify right side
   5,103.38x = 10,755,075.79
5. Step 5: Solve for x
   x = 10,755,075.79/5,103.38
6. Step 6: Final answer
   x = 2,107.44