Finding the Fourth Proportional to 14,073.92, 21,097.28 and 5,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,073.92 : 21,097.28 = 5,302.72 : x
2. Step 2: Convert to fraction form
   14,073.92/21,097.28 = 5,302.72/x
3. Step 3: Cross multiply
   14,073.92x = 21,097.28 × 5,302.72
4. Step 4: Simplify right side
   14,073.92x = 111,872,968.60
5. Step 5: Solve for x
   x = 111,872,968.60/14,073.92
6. Step 6: Final answer
   x = 7,948.96