Finding the Fourth Proportional to 10,010.72, 15,017.00 and 4,086.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.72 : 15,017.00 = 4,086.25 : x
2. Step 2: Convert to fraction form
   10,010.72/15,017.00 = 4,086.25/x
3. Step 3: Cross multiply
   10,010.72x = 15,017.00 × 4,086.25
4. Step 4: Simplify right side
   10,010.72x = 61,363,158.28
5. Step 5: Solve for x
   x = 61,363,158.28/10,010.72
6. Step 6: Final answer
   x = 6,129.74