Finding the Fourth Proportional to 12,093.53, 18,143.57 and 5,069.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.53 : 18,143.57 = 5,069.85 : x
2. Step 2: Convert to fraction form
   12,093.53/18,143.57 = 5,069.85/x
3. Step 3: Cross multiply
   12,093.53x = 18,143.57 × 5,069.85
4. Step 4: Simplify right side
   12,093.53x = 91,985,191.04
5. Step 5: Solve for x
   x = 91,985,191.04/12,093.53
6. Step 6: Final answer
   x = 7,606.15