Finding the Fourth Proportional to 10,112.10, 15,170.18 and 4,189.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.10 : 15,170.18 = 4,189.38 : x
2. Step 2: Convert to fraction form
   10,112.10/15,170.18 = 4,189.38/x
3. Step 3: Cross multiply
   10,112.10x = 15,170.18 × 4,189.38
4. Step 4: Simplify right side
   10,112.10x = 63,553,648.69
5. Step 5: Solve for x
   x = 63,553,648.69/10,112.10
6. Step 6: Final answer
   x = 6,284.91