Finding the Fourth Proportional to 21,200.32, 31,796.16 and 8,048.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,200.32 : 31,796.16 = 8,048.08 : x
2. Step 2: Convert to fraction form
   21,200.32/31,796.16 = 8,048.08/x
3. Step 3: Cross multiply
   21,200.32x = 31,796.16 × 8,048.08
4. Step 4: Simplify right side
   21,200.32x = 255,898,039.37
5. Step 5: Solve for x
   x = 255,898,039.37/21,200.32
6. Step 6: Final answer
   x = 12,070.48