Finding the Fourth Proportional to 9,032.60, 13,550.42 and 3,109.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,032.60 : 13,550.42 = 3,109.25 : x
2. Step 2: Convert to fraction form
   9,032.60/13,550.42 = 3,109.25/x
3. Step 3: Cross multiply
   9,032.60x = 13,550.42 × 3,109.25
4. Step 4: Simplify right side
   9,032.60x = 42,131,685.03
5. Step 5: Solve for x
   x = 42,131,685.03/9,032.60
6. Step 6: Final answer
   x = 4,664.40