Finding the Fourth Proportional to 10,411.67, 14,368.07 and 5,631.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.67 : 14,368.07 = 5,631.62 : x
2. Step 2: Convert to fraction form
   10,411.67/14,368.07 = 5,631.62/x
3. Step 3: Cross multiply
   10,411.67x = 14,368.07 × 5,631.62
4. Step 4: Simplify right side
   10,411.67x = 80,915,461.34
5. Step 5: Solve for x
   x = 80,915,461.34/10,411.67
6. Step 6: Final answer
   x = 7,771.61