Finding the Fourth Proportional to 10,011.98, 15,018.22 and 4,745.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,011.98 : 15,018.22 = 4,745.72 : x
2. Step 2: Convert to fraction form
   10,011.98/15,018.22 = 4,745.72/x
3. Step 3: Cross multiply
   10,011.98x = 15,018.22 × 4,745.72
4. Step 4: Simplify right side
   10,011.98x = 71,272,310.50
5. Step 5: Solve for x
   x = 71,272,310.50/10,011.98
6. Step 6: Final answer
   x = 7,118.70