Finding the Fourth Proportional to 21,096.54, 31,637.06 and 6,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,096.54 : 31,637.06 = 6,300.42 : x
2. Step 2: Convert to fraction form
   21,096.54/31,637.06 = 6,300.42/x
3. Step 3: Cross multiply
   21,096.54x = 31,637.06 × 6,300.42
4. Step 4: Simplify right side
   21,096.54x = 199,326,734.06
5. Step 5: Solve for x
   x = 199,326,734.06/21,096.54
6. Step 6: Final answer
   x = 9,448.31