Finding the Fourth Proportional to 14,665.32, 21,997.74 and 3,571.99

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665.32 : 21,997.74 = 3,571.99 : x
2. Step 2: Convert to fraction form
   14,665.32/21,997.74 = 3,571.99/x
3. Step 3: Cross multiply
   14,665.32x = 21,997.74 × 3,571.99
4. Step 4: Simplify right side
   14,665.32x = 78,575,597.31
5. Step 5: Solve for x
   x = 78,575,597.31/14,665.32
6. Step 6: Final answer
   x = 5,357.92