Finding the Fourth Proportional to 10,018.47, 15,028.71 and 3,443.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.47 : 15,028.71 = 3,443.79 : x
2. Step 2: Convert to fraction form
   10,018.47/15,028.71 = 3,443.79/x
3. Step 3: Cross multiply
   10,018.47x = 15,028.71 × 3,443.79
4. Step 4: Simplify right side
   10,018.47x = 51,755,703.99
5. Step 5: Solve for x
   x = 51,755,703.99/10,018.47
6. Step 6: Final answer
   x = 5,166.03