Finding the Fourth Proportional to 7,319.47, 10,100.87 and 3,962.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,319.47 : 10,100.87 = 3,962.31 : x
2. Step 2: Convert to fraction form
   7,319.47/10,100.87 = 3,962.31/x
3. Step 3: Cross multiply
   7,319.47x = 10,100.87 × 3,962.31
4. Step 4: Simplify right side
   7,319.47x = 40,022,814.48
5. Step 5: Solve for x
   x = 40,022,814.48/7,319.47
6. Step 6: Final answer
   x = 5,467.99