Finding the Fourth Proportional to 11,386.18, 17,077.72 and 3,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,386.18 : 17,077.72 = 3,066.69 : x
2. Step 2: Convert to fraction form
   11,386.18/17,077.72 = 3,066.69/x
3. Step 3: Cross multiply
   11,386.18x = 17,077.72 × 3,066.69
4. Step 4: Simplify right side
   11,386.18x = 52,371,972.42
5. Step 5: Solve for x
   x = 52,371,972.42/11,386.18
6. Step 6: Final answer
   x = 4,599.61