Finding the Fourth Proportional to 10,072.52, 15,114.86 and 7,174.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.52 : 15,114.86 = 7,174.92 : x
2. Step 2: Convert to fraction form
   10,072.52/15,114.86 = 7,174.92/x
3. Step 3: Cross multiply
   10,072.52x = 15,114.86 × 7,174.92
4. Step 4: Simplify right side
   10,072.52x = 108,447,911.31
5. Step 5: Solve for x
   x = 108,447,911.31/10,072.52
6. Step 6: Final answer
   x = 10,766.71