Finding the Fourth Proportional to 11,072.37, 15,286.23 and 7,294.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.37 : 15,286.23 = 7,294.15 : x
2. Step 2: Convert to fraction form
   11,072.37/15,286.23 = 7,294.15/x
3. Step 3: Cross multiply
   11,072.37x = 15,286.23 × 7,294.15
4. Step 4: Simplify right side
   11,072.37x = 111,499,941.65
5. Step 5: Solve for x
   x = 111,499,941.65/11,072.37
6. Step 6: Final answer
   x = 10,070.11