Finding the Fourth Proportional to 8,142,315.96, 12,213,866.73 and 2,677,289.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,142,315.96 : 12,213,866.73 = 2,677,289.78 : x
2. Step 2: Convert to fraction form
   8,142,315.96/12,213,866.73 = 2,677,289.78/x
3. Step 3: Cross multiply
   8,142,315.96x = 12,213,866.73 × 2,677,289.78
4. Step 4: Simplify right side
   8,142,315.96x = 32,700,060,509,441.69
5. Step 5: Solve for x
   x = 32,700,060,509,441.69/8,142,315.96
6. Step 6: Final answer
   x = 4,016,063.82