Finding the Fourth Proportional to 14,445.72, 21,667.76 and 5,559.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,445.72 : 21,667.76 = 5,559.29 : x
2. Step 2: Convert to fraction form
   14,445.72/21,667.76 = 5,559.29/x
3. Step 3: Cross multiply
   14,445.72x = 21,667.76 × 5,559.29
4. Step 4: Simplify right side
   14,445.72x = 120,457,225.36
5. Step 5: Solve for x
   x = 120,457,225.36/14,445.72
6. Step 6: Final answer
   x = 8,338.61