Finding the Fourth Proportional to 10,013.88, 15,018.49 and 3,774.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.88 : 15,018.49 = 3,774.52 : x
2. Step 2: Convert to fraction form
   10,013.88/15,018.49 = 3,774.52/x
3. Step 3: Cross multiply
   10,013.88x = 15,018.49 × 3,774.52
4. Step 4: Simplify right side
   10,013.88x = 56,687,590.87
5. Step 5: Solve for x
   x = 56,687,590.87/10,013.88
6. Step 6: Final answer
   x = 5,660.90