Finding the Fourth Proportional to 10,530.94, 14,532.70 and 5,815.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,530.94 : 14,532.70 = 5,815.22 : x
2. Step 2: Convert to fraction form
   10,530.94/14,532.70 = 5,815.22/x
3. Step 3: Cross multiply
   10,530.94x = 14,532.70 × 5,815.22
4. Step 4: Simplify right side
   10,530.94x = 84,510,847.69
5. Step 5: Solve for x
   x = 84,510,847.69/10,530.94
6. Step 6: Final answer
   x = 8,025.01