Finding the Fourth Proportional to 9,957.40, 14,945.31 and 5,030.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,957.40 : 14,945.31 = 5,030.48 : x
2. Step 2: Convert to fraction form
   9,957.40/14,945.31 = 5,030.48/x
3. Step 3: Cross multiply
   9,957.40x = 14,945.31 × 5,030.48
4. Step 4: Simplify right side
   9,957.40x = 75,182,120.41
5. Step 5: Solve for x
   x = 75,182,120.41/9,957.40
6. Step 6: Final answer
   x = 7,550.38