Finding the Fourth Proportional to 8,499,839.12, 12,753,514.86 and 4,455,359.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,839.12 : 12,753,514.86 = 4,455,359.88 : x
2. Step 2: Convert to fraction form
   8,499,839.12/12,753,514.86 = 4,455,359.88/x
3. Step 3: Cross multiply
   8,499,839.12x = 12,753,514.86 × 4,455,359.88
4. Step 4: Simplify right side
   8,499,839.12x = 56,821,498,413,951.02
5. Step 5: Solve for x
   x = 56,821,498,413,951.02/8,499,839.12
6. Step 6: Final answer
   x = 6,685,008.69