Finding the Fourth Proportional to 21,028,469.33, 31,542,450.18 and 5,464,919.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,028,469.33 : 31,542,450.18 = 5,464,919.30 : x
2. Step 2: Convert to fraction form
   21,028,469.33/31,542,450.18 = 5,464,919.30/x
3. Step 3: Cross multiply
   21,028,469.33x = 31,542,450.18 × 5,464,919.30
4. Step 4: Simplify right side
   21,028,469.33x = 172,376,944,600,258.22
5. Step 5: Solve for x
   x = 172,376,944,600,258.22/21,028,469.33
6. Step 6: Final answer
   x = 8,197,312.98