Finding the Fourth Proportional to 9,983.50, 14,976.61 and 3,407.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.50 : 14,976.61 = 3,407.92 : x
2. Step 2: Convert to fraction form
   9,983.50/14,976.61 = 3,407.92/x
3. Step 3: Cross multiply
   9,983.50x = 14,976.61 × 3,407.92
4. Step 4: Simplify right side
   9,983.50x = 51,039,042.79
5. Step 5: Solve for x
   x = 51,039,042.79/9,983.50
6. Step 6: Final answer
   x = 5,112.34