Finding the Fourth Proportional to 12,097.56, 18,141.40 and 3,774.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,097.56 : 18,141.40 = 3,774.80 : x
2. Step 2: Convert to fraction form
   12,097.56/18,141.40 = 3,774.80/x
3. Step 3: Cross multiply
   12,097.56x = 18,141.40 × 3,774.80
4. Step 4: Simplify right side
   12,097.56x = 68,480,156.72
5. Step 5: Solve for x
   x = 68,480,156.72/12,097.56
6. Step 6: Final answer
   x = 5,660.66