Finding the Fourth Proportional to 9,503.78, 13,114.20 and 5,524.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,503.78 : 13,114.20 = 5,524.06 : x
2. Step 2: Convert to fraction form
   9,503.78/13,114.20 = 5,524.06/x
3. Step 3: Cross multiply
   9,503.78x = 13,114.20 × 5,524.06
4. Step 4: Simplify right side
   9,503.78x = 72,443,627.65
5. Step 5: Solve for x
   x = 72,443,627.65/9,503.78
6. Step 6: Final answer
   x = 7,622.61