Finding the Fourth Proportional to 9,006.88, 12,429.70 and 5,649.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,006.88 : 12,429.70 = 5,649.83 : x
2. Step 2: Convert to fraction form
   9,006.88/12,429.70 = 5,649.83/x
3. Step 3: Cross multiply
   9,006.88x = 12,429.70 × 5,649.83
4. Step 4: Simplify right side
   9,006.88x = 70,225,763.99
5. Step 5: Solve for x
   x = 70,225,763.99/9,006.88
6. Step 6: Final answer
   x = 7,796.90