Finding the Fourth Proportional to 8,499,441.30, 11,728,886.81 and 4,631,879.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,441.30 : 11,728,886.81 = 4,631,879.42 : x
2. Step 2: Convert to fraction form
   8,499,441.30/11,728,886.81 = 4,631,879.42/x
3. Step 3: Cross multiply
   8,499,441.30x = 11,728,886.81 × 4,631,879.42
4. Step 4: Simplify right side
   8,499,441.30x = 54,326,789,449,457.34
5. Step 5: Solve for x
   x = 54,326,789,449,457.34/8,499,441.30
6. Step 6: Final answer
   x = 6,391,807.12