Finding the Fourth Proportional to 9,971.62, 13,762.94 and 5,723.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.62 : 13,762.94 = 5,723.37 : x
2. Step 2: Convert to fraction form
   9,971.62/13,762.94 = 5,723.37/x
3. Step 3: Cross multiply
   9,971.62x = 13,762.94 × 5,723.37
4. Step 4: Simplify right side
   9,971.62x = 78,770,397.91
5. Step 5: Solve for x
   x = 78,770,397.91/9,971.62
6. Step 6: Final answer
   x = 7,899.46