Finding the Fourth Proportional to 2,254,643.32, 3,111,396.22 and 1,222,147.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254,643.32 : 3,111,396.22 = 1,222,147.12 : x
2. Step 2: Convert to fraction form
   2,254,643.32/3,111,396.22 = 1,222,147.12/x
3. Step 3: Cross multiply
   2,254,643.32x = 3,111,396.22 × 1,222,147.12
4. Step 4: Simplify right side
   2,254,643.32x = 3,802,583,929,451.89
5. Step 5: Solve for x
   x = 3,802,583,929,451.89/2,254,643.32
6. Step 6: Final answer
   x = 1,686,556.76