Finding the Fourth Proportional to 10,158.38, 15,238.25 and 3,918.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.38 : 15,238.25 = 3,918.46 : x
2. Step 2: Convert to fraction form
   10,158.38/15,238.25 = 3,918.46/x
3. Step 3: Cross multiply
   10,158.38x = 15,238.25 × 3,918.46
4. Step 4: Simplify right side
   10,158.38x = 59,710,377.31
5. Step 5: Solve for x
   x = 59,710,377.31/10,158.38
6. Step 6: Final answer
   x = 5,877.94