Finding the Fourth Proportional to 8,499,659.32, 11,729,945.72 and 4,779,661.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,659.32 : 11,729,945.72 = 4,779,661.09 : x
2. Step 2: Convert to fraction form
   8,499,659.32/11,729,945.72 = 4,779,661.09/x
3. Step 3: Cross multiply
   8,499,659.32x = 11,729,945.72 × 4,779,661.09
4. Step 4: Simplify right side
   8,499,659.32x = 56,065,165,103,883.09
5. Step 5: Solve for x
   x = 56,065,165,103,883.09/8,499,659.32
6. Step 6: Final answer
   x = 6,596,166.15