Finding the Fourth Proportional to 1,356,166.32, 1,871,767.32 and 897,290.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,166.32 : 1,871,767.32 = 897,290.16 : x
2. Step 2: Convert to fraction form
   1,356,166.32/1,871,767.32 = 897,290.16/x
3. Step 3: Cross multiply
   1,356,166.32x = 1,871,767.32 × 897,290.16
4. Step 4: Simplify right side
   1,356,166.32x = 1,679,518,398,045.57
5. Step 5: Solve for x
   x = 1,679,518,398,045.57/1,356,166.32
6. Step 6: Final answer
   x = 1,238,430.99