Finding the Fourth Proportional to 21,111.32, 31,665.16 and 6,323.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,111.32 : 31,665.16 = 6,323.56 : x
2. Step 2: Convert to fraction form
   21,111.32/31,665.16 = 6,323.56/x
3. Step 3: Cross multiply
   21,111.32x = 31,665.16 × 6,323.56
4. Step 4: Simplify right side
   21,111.32x = 200,236,539.17
5. Step 5: Solve for x
   x = 200,236,539.17/21,111.32
6. Step 6: Final answer
   x = 9,484.79