Finding the Fourth Proportional to 10,047.72, 15,071.94 and 4,196.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.72 : 15,071.94 = 4,196.28 : x
2. Step 2: Convert to fraction form
   10,047.72/15,071.94 = 4,196.28/x
3. Step 3: Cross multiply
   10,047.72x = 15,071.94 × 4,196.28
4. Step 4: Simplify right side
   10,047.72x = 63,246,080.38
5. Step 5: Solve for x
   x = 63,246,080.38/10,047.72
6. Step 6: Final answer
   x = 6,294.57