Finding the Fourth Proportional to 10,109.34, 15,170.52 and 4,912.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.34 : 15,170.52 = 4,912.38 : x
2. Step 2: Convert to fraction form
   10,109.34/15,170.52 = 4,912.38/x
3. Step 3: Cross multiply
   10,109.34x = 15,170.52 × 4,912.38
4. Step 4: Simplify right side
   10,109.34x = 74,523,359.04
5. Step 5: Solve for x
   x = 74,523,359.04/10,109.34
6. Step 6: Final answer
   x = 7,371.73