Finding the Fourth Proportional to 9,111.48, 13,669.14 and 2,955

Step by Step Solution

1. Step 1: Write the proportion equation
   9,111.48 : 13,669.14 = 2,955 : x
2. Step 2: Convert to fraction form
   9,111.48/13,669.14 = 2,955/x
3. Step 3: Cross multiply
   9,111.48x = 13,669.14 × 2,955
4. Step 4: Simplify right side
   9,111.48x = 40,392,308.70
5. Step 5: Solve for x
   x = 40,392,308.70/9,111.48
6. Step 6: Final answer
   x = 4,433.12