Finding the Fourth Proportional to 10,747.38, 14,838.30 and 7,389.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,747.38 : 14,838.30 = 7,389.12 : x
2. Step 2: Convert to fraction form
   10,747.38/14,838.30 = 7,389.12/x
3. Step 3: Cross multiply
   10,747.38x = 14,838.30 × 7,389.12
4. Step 4: Simplify right side
   10,747.38x = 109,641,979.30
5. Step 5: Solve for x
   x = 109,641,979.30/10,747.38
6. Step 6: Final answer
   x = 10,201.74