Finding the Fourth Proportional to 9,770.74, 13,482.80 and 5,522.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,770.74 : 13,482.80 = 5,522.18 : x
2. Step 2: Convert to fraction form
   9,770.74/13,482.80 = 5,522.18/x
3. Step 3: Cross multiply
   9,770.74x = 13,482.80 × 5,522.18
4. Step 4: Simplify right side
   9,770.74x = 74,454,420.89
5. Step 5: Solve for x
   x = 74,454,420.89/9,770.74
6. Step 6: Final answer
   x = 7,620.15