Finding the Fourth Proportional to 9,900.52, 13,662.94 and 5,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.52 : 13,662.94 = 5,651.50 : x
2. Step 2: Convert to fraction form
   9,900.52/13,662.94 = 5,651.50/x
3. Step 3: Cross multiply
   9,900.52x = 13,662.94 × 5,651.50
4. Step 4: Simplify right side
   9,900.52x = 77,216,105.41
5. Step 5: Solve for x
   x = 77,216,105.41/9,900.52
6. Step 6: Final answer
   x = 7,799.20