Finding the Fourth Proportional to 8,178,846.60, 12,268,853.10 and 2,499,061.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,178,846.60 : 12,268,853.10 = 2,499,061.80 : x
2. Step 2: Convert to fraction form
   8,178,846.60/12,268,853.10 = 2,499,061.80/x
3. Step 3: Cross multiply
   8,178,846.60x = 12,268,853.10 × 2,499,061.80
4. Step 4: Simplify right side
   8,178,846.60x = 30,660,622,112,021.58
5. Step 5: Solve for x
   x = 30,660,622,112,021.58/8,178,846.60
6. Step 6: Final answer
   x = 3,748,770.90