Finding the Fourth Proportional to 2,105,131.20, 3,153,031.20 and 1,630,276.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,131.20 : 3,153,031.20 = 1,630,276.80 : x
2. Step 2: Convert to fraction form
   2,105,131.20/3,153,031.20 = 1,630,276.80/x
3. Step 3: Cross multiply
   2,105,131.20x = 3,153,031.20 × 1,630,276.80
4. Step 4: Simplify right side
   2,105,131.20x = 5,140,313,615,036.16
5. Step 5: Solve for x
   x = 5,140,313,615,036.16/2,105,131.20
6. Step 6: Final answer
   x = 2,441,802.02