Finding the Fourth Proportional to 14,269.89, 21,402.72 and 5,503.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,269.89 : 21,402.72 = 5,503.71 : x
2. Step 2: Convert to fraction form
   14,269.89/21,402.72 = 5,503.71/x
3. Step 3: Cross multiply
   14,269.89x = 21,402.72 × 5,503.71
4. Step 4: Simplify right side
   14,269.89x = 117,794,364.09
5. Step 5: Solve for x
   x = 117,794,364.09/14,269.89
6. Step 6: Final answer
   x = 8,254.75