Finding the Fourth Proportional to 8,487,499.28, 12,731,253.04 and 2,807,723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,487,499.28 : 12,731,253.04 = 2,807,723.56 : x
2. Step 2: Convert to fraction form
   8,487,499.28/12,731,253.04 = 2,807,723.56/x
3. Step 3: Cross multiply
   8,487,499.28x = 12,731,253.04 × 2,807,723.56
4. Step 4: Simplify right side
   8,487,499.28x = 35,745,839,108,729.62
5. Step 5: Solve for x
   x = 35,745,839,108,729.62/8,487,499.28
6. Step 6: Final answer
   x = 4,211,586.70