Finding the Fourth Proportional to 21,038.10, 31,554.72 and 6,245.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,038.10 : 31,554.72 = 6,245.48 : x
2. Step 2: Convert to fraction form
   21,038.10/31,554.72 = 6,245.48/x
3. Step 3: Cross multiply
   21,038.10x = 31,554.72 × 6,245.48
4. Step 4: Simplify right side
   21,038.10x = 197,074,214.89
5. Step 5: Solve for x
   x = 197,074,214.89/21,038.10
6. Step 6: Final answer
   x = 9,367.49