Finding the Fourth Proportional to 9,928.49, 14,870.86 and 6,626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.49 : 14,870.86 = 6,626.12 : x
2. Step 2: Convert to fraction form
   9,928.49/14,870.86 = 6,626.12/x
3. Step 3: Cross multiply
   9,928.49x = 14,870.86 × 6,626.12
4. Step 4: Simplify right side
   9,928.49x = 98,536,011.94
5. Step 5: Solve for x
   x = 98,536,011.94/9,928.49
6. Step 6: Final answer
   x = 9,924.58