Finding the Fourth Proportional to 9,822.63, 13,555.62 and 5,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822.63 : 13,555.62 = 5,631.69 : x
2. Step 2: Convert to fraction form
   9,822.63/13,555.62 = 5,631.69/x
3. Step 3: Cross multiply
   9,822.63x = 13,555.62 × 5,631.69
4. Step 4: Simplify right side
   9,822.63x = 76,341,049.60
5. Step 5: Solve for x
   x = 76,341,049.60/9,822.63
6. Step 6: Final answer
   x = 7,771.96