Finding the Fourth Proportional to 9,983.86, 14,970.17 and 3,316.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.86 : 14,970.17 = 3,316.79 : x
2. Step 2: Convert to fraction form
   9,983.86/14,970.17 = 3,316.79/x
3. Step 3: Cross multiply
   9,983.86x = 14,970.17 × 3,316.79
4. Step 4: Simplify right side
   9,983.86x = 49,652,910.15
5. Step 5: Solve for x
   x = 49,652,910.15/9,983.86
6. Step 6: Final answer
   x = 4,973.32