Finding the Fourth Proportional to 10,786.58, 16,180.60 and 3,667.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.58 : 16,180.60 = 3,667.91 : x
2. Step 2: Convert to fraction form
   10,786.58/16,180.60 = 3,667.91/x
3. Step 3: Cross multiply
   10,786.58x = 16,180.60 × 3,667.91
4. Step 4: Simplify right side
   10,786.58x = 59,349,006.66
5. Step 5: Solve for x
   x = 59,349,006.66/10,786.58
6. Step 6: Final answer
   x = 5,502.12