Finding the Fourth Proportional to 2,254,233.72, 3,110,880.12 and 1,221,774.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254,233.72 : 3,110,880.12 = 1,221,774.48 : x
2. Step 2: Convert to fraction form
   2,254,233.72/3,110,880.12 = 1,221,774.48/x
3. Step 3: Cross multiply
   2,254,233.72x = 3,110,880.12 × 1,221,774.48
4. Step 4: Simplify right side
   2,254,233.72x = 3,800,793,940,955.34
5. Step 5: Solve for x
   x = 3,800,793,940,955.34/2,254,233.72
6. Step 6: Final answer
   x = 1,686,069.15