Finding the Fourth Proportional to 10,017.86, 15,028.15 and 4,173.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,017.86 : 15,028.15 = 4,173.10 : x
2. Step 2: Convert to fraction form
   10,017.86/15,028.15 = 4,173.10/x
3. Step 3: Cross multiply
   10,017.86x = 15,028.15 × 4,173.10
4. Step 4: Simplify right side
   10,017.86x = 62,713,924.76
5. Step 5: Solve for x
   x = 62,713,924.76/10,017.86
6. Step 6: Final answer
   x = 6,260.21