Finding the Fourth Proportional to 5,103.32, 7,655.13 and 1,405.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.32 : 7,655.13 = 1,405.61 : x
2. Step 2: Convert to fraction form
   5,103.32/7,655.13 = 1,405.61/x
3. Step 3: Cross multiply
   5,103.32x = 7,655.13 × 1,405.61
4. Step 4: Simplify right side
   5,103.32x = 10,760,089.00
5. Step 5: Solve for x
   x = 10,760,089.00/5,103.32
6. Step 6: Final answer
   x = 2,108.45