Finding the Fourth Proportional to 9,345.83, 14,021.27 and 3,106.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.83 : 14,021.27 = 3,106.85 : x
2. Step 2: Convert to fraction form
   9,345.83/14,021.27 = 3,106.85/x
3. Step 3: Cross multiply
   9,345.83x = 14,021.27 × 3,106.85
4. Step 4: Simplify right side
   9,345.83x = 43,561,967.17
5. Step 5: Solve for x
   x = 43,561,967.17/9,345.83
6. Step 6: Final answer
   x = 4,661.11