Finding the Fourth Proportional to 8,499,835.78, 12,753,509.84 and 4,455,356.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,835.78 : 12,753,509.84 = 4,455,356.54 : x
2. Step 2: Convert to fraction form
   8,499,835.78/12,753,509.84 = 4,455,356.54/x
3. Step 3: Cross multiply
   8,499,835.78x = 12,753,509.84 × 4,455,356.54
4. Step 4: Simplify right side
   8,499,835.78x = 56,821,433,404,261.61
5. Step 5: Solve for x
   x = 56,821,433,404,261.61/8,499,835.78
6. Step 6: Final answer
   x = 6,685,003.67