Finding the Fourth Proportional to 9,900.48, 13,662.90 and 5,651.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.48 : 13,662.90 = 5,651.46 : x
2. Step 2: Convert to fraction form
   9,900.48/13,662.90 = 5,651.46/x
3. Step 3: Cross multiply
   9,900.48x = 13,662.90 × 5,651.46
4. Step 4: Simplify right side
   9,900.48x = 77,215,332.83
5. Step 5: Solve for x
   x = 77,215,332.83/9,900.48
6. Step 6: Final answer
   x = 7,799.15