Finding the Fourth Proportional to 22,751,603.52, 31,397,323.92 and 12,438,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,751,603.52 : 31,397,323.92 = 12,438,327.12 : x
2. Step 2: Convert to fraction form
   22,751,603.52/31,397,323.92 = 12,438,327.12/x
3. Step 3: Cross multiply
   22,751,603.52x = 31,397,323.92 × 12,438,327.12
4. Step 4: Simplify right side
   22,751,603.52x = 390,530,185,609,560.69
5. Step 5: Solve for x
   x = 390,530,185,609,560.69/22,751,603.52
6. Step 6: Final answer
   x = 17,164,952.14