Finding the Fourth Proportional to 14,059.56, 21,087.72 and 3,672.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.56 : 21,087.72 = 3,672.12 : x
2. Step 2: Convert to fraction form
   14,059.56/21,087.72 = 3,672.12/x
3. Step 3: Cross multiply
   14,059.56x = 21,087.72 × 3,672.12
4. Step 4: Simplify right side
   14,059.56x = 77,436,638.37
5. Step 5: Solve for x
   x = 77,436,638.37/14,059.56
6. Step 6: Final answer
   x = 5,507.76