Finding the Fourth Proportional to 9,391,067.91, 12,959,644.82 and 5,205,019.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391,067.91 : 12,959,644.82 = 5,205,019.70 : x
2. Step 2: Convert to fraction form
   9,391,067.91/12,959,644.82 = 5,205,019.70/x
3. Step 3: Cross multiply
   9,391,067.91x = 12,959,644.82 × 5,205,019.70
4. Step 4: Simplify right side
   9,391,067.91x = 67,455,206,599,476.96
5. Step 5: Solve for x
   x = 67,455,206,599,476.96/9,391,067.91
6. Step 6: Final answer
   x = 7,182,911.17