Finding the Fourth Proportional to 14,209.56, 21,312.72 and 3,822.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,209.56 : 21,312.72 = 3,822.12 : x
2. Step 2: Convert to fraction form
   14,209.56/21,312.72 = 3,822.12/x
3. Step 3: Cross multiply
   14,209.56x = 21,312.72 × 3,822.12
4. Step 4: Simplify right side
   14,209.56x = 81,459,773.37
5. Step 5: Solve for x
   x = 81,459,773.37/14,209.56
6. Step 6: Final answer
   x = 5,732.74