Finding the Fourth Proportional to 12,156.04, 18,226.39 and 5,132.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156.04 : 18,226.39 = 5,132.42 : x
2. Step 2: Convert to fraction form
   12,156.04/18,226.39 = 5,132.42/x
3. Step 3: Cross multiply
   12,156.04x = 18,226.39 × 5,132.42
4. Step 4: Simplify right side
   12,156.04x = 93,545,488.56
5. Step 5: Solve for x
   x = 93,545,488.56/12,156.04
6. Step 6: Final answer
   x = 7,695.39