Finding the Fourth Proportional to 10,196.20, 14,071.26 and 5,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.20 : 14,071.26 = 5,719.72 : x
2. Step 2: Convert to fraction form
   10,196.20/14,071.26 = 5,719.72/x
3. Step 3: Cross multiply
   10,196.20x = 14,071.26 × 5,719.72
4. Step 4: Simplify right side
   10,196.20x = 80,483,667.25
5. Step 5: Solve for x
   x = 80,483,667.25/10,196.20
6. Step 6: Final answer
   x = 7,893.50