Finding the Fourth Proportional to 10,890.42, 15,037.59 and 8,874.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.42 : 15,037.59 = 8,874.10 : x
2. Step 2: Convert to fraction form
   10,890.42/15,037.59 = 8,874.10/x
3. Step 3: Cross multiply
   10,890.42x = 15,037.59 × 8,874.10
4. Step 4: Simplify right side
   10,890.42x = 133,445,062.94
5. Step 5: Solve for x
   x = 133,445,062.94/10,890.42
6. Step 6: Final answer
   x = 12,253.44