Finding the Fourth Proportional to 14,467.40, 21,705.98 and 5,697.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,467.40 : 21,705.98 = 5,697.64 : x
2. Step 2: Convert to fraction form
   14,467.40/21,705.98 = 5,697.64/x
3. Step 3: Cross multiply
   14,467.40x = 21,705.98 × 5,697.64
4. Step 4: Simplify right side
   14,467.40x = 123,672,859.89
5. Step 5: Solve for x
   x = 123,672,859.89/14,467.40
6. Step 6: Final answer
   x = 8,548.38