Finding the Fourth Proportional to 9,521.78, 14,283.27 and 2,947.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521.78 : 14,283.27 = 2,947.41 : x
2. Step 2: Convert to fraction form
   9,521.78/14,283.27 = 2,947.41/x
3. Step 3: Cross multiply
   9,521.78x = 14,283.27 × 2,947.41
4. Step 4: Simplify right side
   9,521.78x = 42,098,652.83
5. Step 5: Solve for x
   x = 42,098,652.83/9,521.78
6. Step 6: Final answer
   x = 4,421.30