Finding the Fourth Proportional to 10,112.86, 15,159.49 and 3,868.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.86 : 15,159.49 = 3,868.06 : x
2. Step 2: Convert to fraction form
   10,112.86/15,159.49 = 3,868.06/x
3. Step 3: Cross multiply
   10,112.86x = 15,159.49 × 3,868.06
4. Step 4: Simplify right side
   10,112.86x = 58,637,797.55
5. Step 5: Solve for x
   x = 58,637,797.55/10,112.86
6. Step 6: Final answer
   x = 5,798.34