Finding the Fourth Proportional to 12,093.14, 18,146.72 and 5,072.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.14 : 18,146.72 = 5,072.53 : x
2. Step 2: Convert to fraction form
   12,093.14/18,146.72 = 5,072.53/x
3. Step 3: Cross multiply
   12,093.14x = 18,146.72 × 5,072.53
4. Step 4: Simplify right side
   12,093.14x = 92,049,710.87
5. Step 5: Solve for x
   x = 92,049,710.87/12,093.14
6. Step 6: Final answer
   x = 7,611.73