Finding the Fourth Proportional to 2,254,730.28, 3,111,520.52 and 1,222,242.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254,730.28 : 3,111,520.52 = 1,222,242.12 : x
2. Step 2: Convert to fraction form
   2,254,730.28/3,111,520.52 = 1,222,242.12/x
3. Step 3: Cross multiply
   2,254,730.28x = 3,111,520.52 × 1,222,242.12
4. Step 4: Simplify right side
   2,254,730.28x = 3,803,031,436,788.30
5. Step 5: Solve for x
   x = 3,803,031,436,788.30/2,254,730.28
6. Step 6: Final answer
   x = 1,686,690.19