Finding the Fourth Proportional to 12,837,856.22, 17,718,057.96 and 7,944,654.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,837,856.22 : 17,718,057.96 = 7,944,654.32 : x
2. Step 2: Convert to fraction form
   12,837,856.22/17,718,057.96 = 7,944,654.32/x
3. Step 3: Cross multiply
   12,837,856.22x = 17,718,057.96 × 7,944,654.32
4. Step 4: Simplify right side
   12,837,856.22x = 140,763,845,713,924.41
5. Step 5: Solve for x
   x = 140,763,845,713,924.41/12,837,856.22
6. Step 6: Final answer
   x = 10,964,747.02