Finding the Fourth Proportional to 10,196.47, 14,071.76 and 5,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.47 : 14,071.76 = 5,720.50 : x
2. Step 2: Convert to fraction form
   10,196.47/14,071.76 = 5,720.50/x
3. Step 3: Cross multiply
   10,196.47x = 14,071.76 × 5,720.50
4. Step 4: Simplify right side
   10,196.47x = 80,497,503.08
5. Step 5: Solve for x
   x = 80,497,503.08/10,196.47
6. Step 6: Final answer
   x = 7,894.64