Finding the Fourth Proportional to 10,259.47, 15,396.13 and 4,018.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.47 : 15,396.13 = 4,018.71 : x
2. Step 2: Convert to fraction form
   10,259.47/15,396.13 = 4,018.71/x
3. Step 3: Cross multiply
   10,259.47x = 15,396.13 × 4,018.71
4. Step 4: Simplify right side
   10,259.47x = 61,872,581.59
5. Step 5: Solve for x
   x = 61,872,581.59/10,259.47
6. Step 6: Final answer
   x = 6,030.78