Finding the Fourth Proportional to 31,103,267.72, 46,675,711.59 and 12,907,462.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103,267.72 : 46,675,711.59 = 12,907,462.28 : x
2. Step 2: Convert to fraction form
   31,103,267.72/46,675,711.59 = 12,907,462.28/x
3. Step 3: Cross multiply
   31,103,267.72x = 46,675,711.59 × 12,907,462.28
4. Step 4: Simplify right side
   31,103,267.72x = 602,464,986,740,083.88
5. Step 5: Solve for x
   x = 602,464,986,740,083.88/31,103,267.72
6. Step 6: Final answer
   x = 19,369,829.31