Finding the Fourth Proportional to 9,770.88, 13,483.50 and 5,522.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770.88 : 13,483.50 = 5,522.10 : x
2. Step 2: Convert to fraction form
   9,770.88/13,483.50 = 5,522.10/x
3. Step 3: Cross multiply
   9,770.88x = 13,483.50 × 5,522.10
4. Step 4: Simplify right side
   9,770.88x = 74,457,235.35
5. Step 5: Solve for x
   x = 74,457,235.35/9,770.88
6. Step 6: Final answer
   x = 7,620.32