Finding the Fourth Proportional to 14,042.31, 21,062.39 and 6,635.67

Step by Step Solution

1. Step 1: Write the proportion equation
   14,042.31 : 21,062.39 = 6,635.67 : x
2. Step 2: Convert to fraction form
   14,042.31/21,062.39 = 6,635.67/x
3. Step 3: Cross multiply
   14,042.31x = 21,062.39 × 6,635.67
4. Step 4: Simplify right side
   14,042.31x = 139,763,036.27
5. Step 5: Solve for x
   x = 139,763,036.27/14,042.31
6. Step 6: Final answer
   x = 9,952.99