Finding the Fourth Proportional to 9,771.25, 13,484.15 and 5,522.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,771.25 : 13,484.15 = 5,522.22 : x
2. Step 2: Convert to fraction form
   9,771.25/13,484.15 = 5,522.22/x
3. Step 3: Cross multiply
   9,771.25x = 13,484.15 × 5,522.22
4. Step 4: Simplify right side
   9,771.25x = 74,462,442.81
5. Step 5: Solve for x
   x = 74,462,442.81/9,771.25
6. Step 6: Final answer
   x = 7,620.56