Finding the Fourth Proportional to 9,345.58, 14,020.89 and 3,106.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.58 : 14,020.89 = 3,106.60 : x
2. Step 2: Convert to fraction form
   9,345.58/14,020.89 = 3,106.60/x
3. Step 3: Cross multiply
   9,345.58x = 14,020.89 × 3,106.60
4. Step 4: Simplify right side
   9,345.58x = 43,557,296.87
5. Step 5: Solve for x
   x = 43,557,296.87/9,345.58
6. Step 6: Final answer
   x = 4,660.74