Finding the Fourth Proportional to 8,949,215.69, 12,349,519.29 and 5,228,391.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,949,215.69 : 12,349,519.29 = 5,228,391.59 : x
2. Step 2: Convert to fraction form
   8,949,215.69/12,349,519.29 = 5,228,391.59/x
3. Step 3: Cross multiply
   8,949,215.69x = 12,349,519.29 × 5,228,391.59
4. Step 4: Simplify right side
   8,949,215.69x = 64,568,122,734,631.17
5. Step 5: Solve for x
   x = 64,568,122,734,631.17/8,949,215.69
6. Step 6: Final answer
   x = 7,214,947.66