Finding the Fourth Proportional to 9,111.62, 13,670.47 and 3,268.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.62 : 13,670.47 = 3,268.69 : x
2. Step 2: Convert to fraction form
   9,111.62/13,670.47 = 3,268.69/x
3. Step 3: Cross multiply
   9,111.62x = 13,670.47 × 3,268.69
4. Step 4: Simplify right side
   9,111.62x = 44,684,498.49
5. Step 5: Solve for x
   x = 44,684,498.49/9,111.62
6. Step 6: Final answer
   x = 4,904.12