Finding the Fourth Proportional to 12,884,856, 17,780,648.22 and 7,083,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,884,856 : 17,780,648.22 = 7,083,595.50 : x
2. Step 2: Convert to fraction form
   12,884,856/17,780,648.22 = 7,083,595.50/x
3. Step 3: Cross multiply
   12,884,856x = 17,780,648.22 × 7,083,595.50
4. Step 4: Simplify right side
   12,884,856x = 125,950,919,718,275
5. Step 5: Solve for x
   x = 125,950,919,718,275/12,884,856
6. Step 6: Final answer
   x = 9,775,112.72