Finding the Fourth Proportional to 11,769.79, 17,654.72 and 2,885.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,769.79 : 17,654.72 = 2,885.16 : x
2. Step 2: Convert to fraction form
   11,769.79/17,654.72 = 2,885.16/x
3. Step 3: Cross multiply
   11,769.79x = 17,654.72 × 2,885.16
4. Step 4: Simplify right side
   11,769.79x = 50,936,742.48
5. Step 5: Solve for x
   x = 50,936,742.48/11,769.79
6. Step 6: Final answer
   x = 4,327.75