Finding the Fourth Proportional to 9,991.35, 14,983.61 and 3,416.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,991.35 : 14,983.61 = 3,416.00 : x
2. Step 2: Convert to fraction form
   9,991.35/14,983.61 = 3,416.00/x
3. Step 3: Cross multiply
   9,991.35x = 14,983.61 × 3,416.00
4. Step 4: Simplify right side
   9,991.35x = 51,183,919.76
5. Step 5: Solve for x
   x = 51,183,919.76/9,991.35
6. Step 6: Final answer
   x = 5,122.82