Finding the Fourth Proportional to 1,622,281.20, 2,238,705.72 and 897,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622,281.20 : 2,238,705.72 = 897,108.72 : x
2. Step 2: Convert to fraction form
   1,622,281.20/2,238,705.72 = 897,108.72/x
3. Step 3: Cross multiply
   1,622,281.20x = 2,238,705.72 × 897,108.72
4. Step 4: Simplify right side
   1,622,281.20x = 2,008,362,422,925.88
5. Step 5: Solve for x
   x = 2,008,362,422,925.88/1,622,281.20
6. Step 6: Final answer
   x = 1,237,986.62