Finding the Fourth Proportional to 10,280,945.30, 14,187,786.69 and 5,697,342.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280,945.30 : 14,187,786.69 = 5,697,342.74 : x
2. Step 2: Convert to fraction form
   10,280,945.30/14,187,786.69 = 5,697,342.74/x
3. Step 3: Cross multiply
   10,280,945.30x = 14,187,786.69 × 5,697,342.74
4. Step 4: Simplify right side
   10,280,945.30x = 80,832,683,494,940.12
5. Step 5: Solve for x
   x = 80,832,683,494,940.12/10,280,945.30
6. Step 6: Final answer
   x = 7,862,378.52