Finding the Fourth Proportional to 10,069.86, 15,101.18 and 3,828.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.86 : 15,101.18 = 3,828.21 : x
2. Step 2: Convert to fraction form
   10,069.86/15,101.18 = 3,828.21/x
3. Step 3: Cross multiply
   10,069.86x = 15,101.18 × 3,828.21
4. Step 4: Simplify right side
   10,069.86x = 57,810,488.29
5. Step 5: Solve for x
   x = 57,810,488.29/10,069.86
6. Step 6: Final answer
   x = 5,740.94