Finding the Fourth Proportional to 1,622,212.41, 2,238,667.70 and 897,109.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622,212.41 : 2,238,667.70 = 897,109.23 : x
2. Step 2: Convert to fraction form
   1,622,212.41/2,238,667.70 = 897,109.23/x
3. Step 3: Cross multiply
   1,622,212.41x = 2,238,667.70 × 897,109.23
4. Step 4: Simplify right side
   1,622,212.41x = 2,008,329,452,087.32
5. Step 5: Solve for x
   x = 2,008,329,452,087.32/1,622,212.41
6. Step 6: Final answer
   x = 1,238,018.79