Finding the Fourth Proportional to 8,131.70, 12,192.06 and 3,746.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131.70 : 12,192.06 = 3,746.76 : x
2. Step 2: Convert to fraction form
   8,131.70/12,192.06 = 3,746.76/x
3. Step 3: Cross multiply
   8,131.70x = 12,192.06 × 3,746.76
4. Step 4: Simplify right side
   8,131.70x = 45,680,722.73
5. Step 5: Solve for x
   x = 45,680,722.73/8,131.70
6. Step 6: Final answer
   x = 5,617.61