Finding the Fourth Proportional to 12,123.10, 18,184.61 and 3,803.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.10 : 18,184.61 = 3,803.10 : x
2. Step 2: Convert to fraction form
   12,123.10/18,184.61 = 3,803.10/x
3. Step 3: Cross multiply
   12,123.10x = 18,184.61 × 3,803.10
4. Step 4: Simplify right side
   12,123.10x = 69,157,926.24
5. Step 5: Solve for x
   x = 69,157,926.24/12,123.10
6. Step 6: Final answer
   x = 5,704.64