Finding the Fourth Proportional to 9,419.31, 14,118.60 and 4,148.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.31 : 14,118.60 = 4,148.73 : x
2. Step 2: Convert to fraction form
   9,419.31/14,118.60 = 4,148.73/x
3. Step 3: Cross multiply
   9,419.31x = 14,118.60 × 4,148.73
4. Step 4: Simplify right side
   9,419.31x = 58,574,259.38
5. Step 5: Solve for x
   x = 58,574,259.38/9,419.31
6. Step 6: Final answer
   x = 6,218.53