Finding the Fourth Proportional to 10,070.81, 13,896.17 and 5,821.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070.81 : 13,896.17 = 5,821.05 : x
2. Step 2: Convert to fraction form
   10,070.81/13,896.17 = 5,821.05/x
3. Step 3: Cross multiply
   10,070.81x = 13,896.17 × 5,821.05
4. Step 4: Simplify right side
   10,070.81x = 80,890,314.93
5. Step 5: Solve for x
   x = 80,890,314.93/10,070.81
6. Step 6: Final answer
   x = 8,032.16