Finding the Fourth Proportional to 10,411.12, 14,367.42 and 5,631.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.12 : 14,367.42 = 5,631.06 : x
2. Step 2: Convert to fraction form
   10,411.12/14,367.42 = 5,631.06/x
3. Step 3: Cross multiply
   10,411.12x = 14,367.42 × 5,631.06
4. Step 4: Simplify right side
   10,411.12x = 80,903,857.94
5. Step 5: Solve for x
   x = 80,903,857.94/10,411.12
6. Step 6: Final answer
   x = 7,770.91