Finding the Fourth Proportional to 10,019.42, 13,818.03 and 6,479.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.42 : 13,818.03 = 6,479.18 : x
2. Step 2: Convert to fraction form
   10,019.42/13,818.03 = 6,479.18/x
3. Step 3: Cross multiply
   10,019.42x = 13,818.03 × 6,479.18
4. Step 4: Simplify right side
   10,019.42x = 89,529,503.62
5. Step 5: Solve for x
   x = 89,529,503.62/10,019.42
6. Step 6: Final answer
   x = 8,935.60