Finding the Fourth Proportional to 2,105,141.20, 3,153,046.20 and 1,630,286.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,141.20 : 3,153,046.20 = 1,630,286.80 : x
2. Step 2: Convert to fraction form
   2,105,141.20/3,153,046.20 = 1,630,286.80/x
3. Step 3: Cross multiply
   2,105,141.20x = 3,153,046.20 × 1,630,286.80
4. Step 4: Simplify right side
   2,105,141.20x = 5,140,369,599,650.16
5. Step 5: Solve for x
   x = 5,140,369,599,650.16/2,105,141.20
6. Step 6: Final answer
   x = 2,441,817.01