Finding the Fourth Proportional to 9,021.87, 12,447.27 and 5,042.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,021.87 : 12,447.27 = 5,042.34 : x
2. Step 2: Convert to fraction form
   9,021.87/12,447.27 = 5,042.34/x
3. Step 3: Cross multiply
   9,021.87x = 12,447.27 × 5,042.34
4. Step 4: Simplify right side
   9,021.87x = 62,763,367.41
5. Step 5: Solve for x
   x = 62,763,367.41/9,021.87
6. Step 6: Final answer
   x = 6,956.80