Finding the Fourth Proportional to 11,686.96, 17,530.62 and 3,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,686.96 : 17,530.62 = 3,367.72 : x
2. Step 2: Convert to fraction form
   11,686.96/17,530.62 = 3,367.72/x
3. Step 3: Cross multiply
   11,686.96x = 17,530.62 × 3,367.72
4. Step 4: Simplify right side
   11,686.96x = 59,038,219.59
5. Step 5: Solve for x
   x = 59,038,219.59/11,686.96
6. Step 6: Final answer
   x = 5,051.63