Finding the Fourth Proportional to 21,443.50, 32,157.35 and 7,399.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,443.50 : 32,157.35 = 7,399.94 : x
2. Step 2: Convert to fraction form
   21,443.50/32,157.35 = 7,399.94/x
3. Step 3: Cross multiply
   21,443.50x = 32,157.35 × 7,399.94
4. Step 4: Simplify right side
   21,443.50x = 237,962,423.56
5. Step 5: Solve for x
   x = 237,962,423.56/21,443.50
6. Step 6: Final answer
   x = 11,097.18