Finding the Fourth Proportional to 12,290,346.56, 16,958,146.22 and 7,062,344.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,290,346.56 : 16,958,146.22 = 7,062,344.56 : x
2. Step 2: Convert to fraction form
   12,290,346.56/16,958,146.22 = 7,062,344.56/x
3. Step 3: Cross multiply
   12,290,346.56x = 16,958,146.22 × 7,062,344.56
4. Step 4: Simplify right side
   12,290,346.56x = 119,764,271,704,501.55
5. Step 5: Solve for x
   x = 119,764,271,704,501.55/12,290,346.56
6. Step 6: Final answer
   x = 9,744,580.52