Finding the Fourth Proportional to 8,499,840.72, 12,753,517.25 and 4,455,361.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,840.72 : 12,753,517.25 = 4,455,361.48 : x
2. Step 2: Convert to fraction form
   8,499,840.72/12,753,517.25 = 4,455,361.48/x
3. Step 3: Cross multiply
   8,499,840.72x = 12,753,517.25 × 4,455,361.48
4. Step 4: Simplify right side
   8,499,840.72x = 56,821,529,467,888.73
5. Step 5: Solve for x
   x = 56,821,529,467,888.73/8,499,840.72
6. Step 6: Final answer
   x = 6,685,011.09