Finding the Fourth Proportional to 10,091.49, 15,137.18 and 4,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.49 : 15,137.18 = 4,248.10 : x
2. Step 2: Convert to fraction form
   10,091.49/15,137.18 = 4,248.10/x
3. Step 3: Cross multiply
   10,091.49x = 15,137.18 × 4,248.10
4. Step 4: Simplify right side
   10,091.49x = 64,304,182.82
5. Step 5: Solve for x
   x = 64,304,182.82/10,091.49
6. Step 6: Final answer
   x = 6,372.12