Finding the Fourth Proportional to 2,259,139.56, 3,117,612.24 and 1,226,642.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,139.56 : 3,117,612.24 = 1,226,642.28 : x
2. Step 2: Convert to fraction form
   2,259,139.56/3,117,612.24 = 1,226,642.28/x
3. Step 3: Cross multiply
   2,259,139.56x = 3,117,612.24 × 1,226,642.28
4. Step 4: Simplify right side
   2,259,139.56x = 3,824,194,992,075.03
5. Step 5: Solve for x
   x = 3,824,194,992,075.03/2,259,139.56
6. Step 6: Final answer
   x = 1,692,766.16