Finding the Fourth Proportional to 10,201.61, 14,078.37 and 5,725.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.61 : 14,078.37 = 5,725.10 : x
2. Step 2: Convert to fraction form
   10,201.61/14,078.37 = 5,725.10/x
3. Step 3: Cross multiply
   10,201.61x = 14,078.37 × 5,725.10
4. Step 4: Simplify right side
   10,201.61x = 80,600,076.09
5. Step 5: Solve for x
   x = 80,600,076.09/10,201.61
6. Step 6: Final answer
   x = 7,900.72