Finding the Fourth Proportional to 9,633.87, 13,289.31 and 5,654.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,633.87 : 13,289.31 = 5,654.21 : x
2. Step 2: Convert to fraction form
   9,633.87/13,289.31 = 5,654.21/x
3. Step 3: Cross multiply
   9,633.87x = 13,289.31 × 5,654.21
4. Step 4: Simplify right side
   9,633.87x = 75,140,483.05
5. Step 5: Solve for x
   x = 75,140,483.05/9,633.87
6. Step 6: Final answer
   x = 7,799.62