Finding the Fourth Proportional to 5,109.35, 7,653.77 and 3,725.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.35 : 7,653.77 = 3,725.61 : x
2. Step 2: Convert to fraction form
   5,109.35/7,653.77 = 3,725.61/x
3. Step 3: Cross multiply
   5,109.35x = 7,653.77 × 3,725.61
4. Step 4: Simplify right side
   5,109.35x = 28,514,943.42
5. Step 5: Solve for x
   x = 28,514,943.42/5,109.35
6. Step 6: Final answer
   x = 5,580.94