Finding the Fourth Proportional to 7,188,238.08, 10,787,559.78 and 2,812,022.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,188,238.08 : 10,787,559.78 = 2,812,022.88 : x
2. Step 2: Convert to fraction form
   7,188,238.08/10,787,559.78 = 2,812,022.88/x
3. Step 3: Cross multiply
   7,188,238.08x = 10,787,559.78 × 2,812,022.88
4. Step 4: Simplify right side
   7,188,238.08x = 30,334,864,920,727.76
5. Step 5: Solve for x
   x = 30,334,864,920,727.76/7,188,238.08
6. Step 6: Final answer
   x = 4,220,069.59