Finding the Fourth Proportional to 10,374.50, 14,311.88 and 7,018.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,374.50 : 14,311.88 = 7,018.49 : x
2. Step 2: Convert to fraction form
   10,374.50/14,311.88 = 7,018.49/x
3. Step 3: Cross multiply
   10,374.50x = 14,311.88 × 7,018.49
4. Step 4: Simplify right side
   10,374.50x = 100,447,751.57
5. Step 5: Solve for x
   x = 100,447,751.57/10,374.50
6. Step 6: Final answer
   x = 9,682.18