Finding the Fourth Proportional to 12,812,942.56, 17,681,861.04 and 7,011,724.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812,942.56 : 17,681,861.04 = 7,011,724.48 : x
2. Step 2: Convert to fraction form
   12,812,942.56/17,681,861.04 = 7,011,724.48/x
3. Step 3: Cross multiply
   12,812,942.56x = 17,681,861.04 × 7,011,724.48
4. Step 4: Simplify right side
   12,812,942.56x = 123,980,337,906,126.27
5. Step 5: Solve for x
   x = 123,980,337,906,126.27/12,812,942.56
6. Step 6: Final answer
   x = 9,676,179.95