Finding the Fourth Proportional to 12,427,061.45, 17,145,879.93 and 8,014,920.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427,061.45 : 17,145,879.93 = 8,014,920.17 : x
2. Step 2: Convert to fraction form
   12,427,061.45/17,145,879.93 = 8,014,920.17/x
3. Step 3: Cross multiply
   12,427,061.45x = 17,145,879.93 × 8,014,920.17
4. Step 4: Simplify right side
   12,427,061.45x = 137,422,858,797,625.78
5. Step 5: Solve for x
   x = 137,422,858,797,625.78/12,427,061.45
6. Step 6: Final answer
   x = 11,058,355.14