Finding the Fourth Proportional to 10,049, 15,071.88 and 7,118.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049 : 15,071.88 = 7,118.42 : x
2. Step 2: Convert to fraction form
   10,049/15,071.88 = 7,118.42/x
3. Step 3: Cross multiply
   10,049x = 15,071.88 × 7,118.42
4. Step 4: Simplify right side
   10,049x = 107,287,972.03
5. Step 5: Solve for x
   x = 107,287,972.03/10,049
6. Step 6: Final answer
   x = 10,676.48