Finding the Fourth Proportional to 14,499.45, 21,756.15 and 7,099.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.45 : 21,756.15 = 7,099.88 : x
2. Step 2: Convert to fraction form
   14,499.45/21,756.15 = 7,099.88/x
3. Step 3: Cross multiply
   14,499.45x = 21,756.15 × 7,099.88
4. Step 4: Simplify right side
   14,499.45x = 154,465,945.48
5. Step 5: Solve for x
   x = 154,465,945.48/14,499.45
6. Step 6: Final answer
   x = 10,653.23