Finding the Fourth Proportional to 2,906,031.10, 4,357,491.45 and 1,221,231.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,031.10 : 4,357,491.45 = 1,221,231.10 : x
2. Step 2: Convert to fraction form
   2,906,031.10/4,357,491.45 = 1,221,231.10/x
3. Step 3: Cross multiply
   2,906,031.10x = 4,357,491.45 × 1,221,231.10
4. Step 4: Simplify right side
   2,906,031.10x = 5,321,504,076,724.10
5. Step 5: Solve for x
   x = 5,321,504,076,724.10/2,906,031.10
6. Step 6: Final answer
   x = 1,831,193.09