Finding the Fourth Proportional to 12,944,902.92, 17,864,394.72 and 7,064,858.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944,902.92 : 17,864,394.72 = 7,064,858.18 : x
2. Step 2: Convert to fraction form
   12,944,902.92/17,864,394.72 = 7,064,858.18/x
3. Step 3: Cross multiply
   12,944,902.92x = 17,864,394.72 × 7,064,858.18
4. Step 4: Simplify right side
   12,944,902.92x = 126,209,415,079,018.83
5. Step 5: Solve for x
   x = 126,209,415,079,018.83/12,944,902.92
6. Step 6: Final answer
   x = 9,749,738.25