Finding the Fourth Proportional to 10,065.05, 15,093.35 and 3,821.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.05 : 15,093.35 = 3,821.61 : x
2. Step 2: Convert to fraction form
   10,065.05/15,093.35 = 3,821.61/x
3. Step 3: Cross multiply
   10,065.05x = 15,093.35 × 3,821.61
4. Step 4: Simplify right side
   10,065.05x = 57,680,878.19
5. Step 5: Solve for x
   x = 57,680,878.19/10,065.05
6. Step 6: Final answer
   x = 5,730.81