Finding the Fourth Proportional to 8,917,799, 12,306,150.78 and 5,050,347.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,917,799 : 12,306,150.78 = 5,050,347.86 : x
2. Step 2: Convert to fraction form
   8,917,799/12,306,150.78 = 5,050,347.86/x
3. Step 3: Cross multiply
   8,917,799x = 12,306,150.78 × 5,050,347.86
4. Step 4: Simplify right side
   8,917,799x = 62,150,342,256,610.33
5. Step 5: Solve for x
   x = 62,150,342,256,610.33/8,917,799
6. Step 6: Final answer
   x = 6,969,246.81