Finding the Fourth Proportional to 10,375.42, 15,498.92 and 9,333.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,375.42 : 15,498.92 = 9,333.76 : x
2. Step 2: Convert to fraction form
   10,375.42/15,498.92 = 9,333.76/x
3. Step 3: Cross multiply
   10,375.42x = 15,498.92 × 9,333.76
4. Step 4: Simplify right side
   10,375.42x = 144,663,199.54
5. Step 5: Solve for x
   x = 144,663,199.54/10,375.42
6. Step 6: Final answer
   x = 13,942.88