Finding the Fourth Proportional to 9,535.86, 14,296.86 and 3,990.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.86 : 14,296.86 = 3,990.83 : x
2. Step 2: Convert to fraction form
   9,535.86/14,296.86 = 3,990.83/x
3. Step 3: Cross multiply
   9,535.86x = 14,296.86 × 3,990.83
4. Step 4: Simplify right side
   9,535.86x = 57,056,266.31
5. Step 5: Solve for x
   x = 57,056,266.31/9,535.86
6. Step 6: Final answer
   x = 5,983.34