Finding the Fourth Proportional to 7,201.47, 9,940.82 and 5,630.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,201.47 : 9,940.82 = 5,630.07 : x
2. Step 2: Convert to fraction form
   7,201.47/9,940.82 = 5,630.07/x
3. Step 3: Cross multiply
   7,201.47x = 9,940.82 × 5,630.07
4. Step 4: Simplify right side
   7,201.47x = 55,967,484.31
5. Step 5: Solve for x
   x = 55,967,484.31/7,201.47
6. Step 6: Final answer
   x = 7,771.67