Finding the Fourth Proportional to 8,499,443.30, 11,728,889.57 and 4,631,881.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,443.30 : 11,728,889.57 = 4,631,881.42 : x
2. Step 2: Convert to fraction form
   8,499,443.30/11,728,889.57 = 4,631,881.42/x
3. Step 3: Cross multiply
   8,499,443.30x = 11,728,889.57 × 4,631,881.42
4. Step 4: Simplify right side
   8,499,443.30x = 54,326,825,676,514.79
5. Step 5: Solve for x
   x = 54,326,825,676,514.79/8,499,443.30
6. Step 6: Final answer
   x = 6,391,809.88