Finding the Fourth Proportional to 10,031.42, 15,038.92 and 3,787.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,031.42 : 15,038.92 = 3,787.89 : x
2. Step 2: Convert to fraction form
   10,031.42/15,038.92 = 3,787.89/x
3. Step 3: Cross multiply
   10,031.42x = 15,038.92 × 3,787.89
4. Step 4: Simplify right side
   10,031.42x = 56,965,774.68
5. Step 5: Solve for x
   x = 56,965,774.68/10,031.42
6. Step 6: Final answer
   x = 5,678.73