Finding the Fourth Proportional to 10,870.20, 14,994.72 and 6,392.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.20 : 14,994.72 = 6,392.52 : x
2. Step 2: Convert to fraction form
   10,870.20/14,994.72 = 6,392.52/x
3. Step 3: Cross multiply
   10,870.20x = 14,994.72 × 6,392.52
4. Step 4: Simplify right side
   10,870.20x = 95,854,047.49
5. Step 5: Solve for x
   x = 95,854,047.49/10,870.20
6. Step 6: Final answer
   x = 8,818.06