Finding the Fourth Proportional to 8,131.68, 12,192.06 and 3,746.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.68 : 12,192.06 = 3,746.76 : x
2. Step 2: Convert to fraction form
   8,131.68/12,192.06 = 3,746.76/x
3. Step 3: Cross multiply
   8,131.68x = 12,192.06 × 3,746.76
4. Step 4: Simplify right side
   8,131.68x = 45,680,722.73
5. Step 5: Solve for x
   x = 45,680,722.73/8,131.68
6. Step 6: Final answer
   x = 5,617.62