Finding the Fourth Proportional to 10,070.72, 15,108.24 and 4,223.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,070.72 : 15,108.24 = 4,223.96 : x
2. Step 2: Convert to fraction form
   10,070.72/15,108.24 = 4,223.96/x
3. Step 3: Cross multiply
   10,070.72x = 15,108.24 × 4,223.96
4. Step 4: Simplify right side
   10,070.72x = 63,816,601.43
5. Step 5: Solve for x
   x = 63,816,601.43/10,070.72
6. Step 6: Final answer
   x = 6,336.85