Finding the Fourth Proportional to 6,186.86, 8,536.52 and 3,667.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,186.86 : 8,536.52 = 3,667.72 : x
2. Step 2: Convert to fraction form
   6,186.86/8,536.52 = 3,667.72/x
3. Step 3: Cross multiply
   6,186.86x = 8,536.52 × 3,667.72
4. Step 4: Simplify right side
   6,186.86x = 31,309,565.13
5. Step 5: Solve for x
   x = 31,309,565.13/6,186.86
6. Step 6: Final answer
   x = 5,060.66