Finding the Fourth Proportional to 1,432,058.77, 1,976,238.69 and 820,409.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,058.77 : 1,976,238.69 = 820,409.54 : x
2. Step 2: Convert to fraction form
   1,432,058.77/1,976,238.69 = 820,409.54/x
3. Step 3: Cross multiply
   1,432,058.77x = 1,976,238.69 × 820,409.54
4. Step 4: Simplify right side
   1,432,058.77x = 1,621,325,074,593.10
5. Step 5: Solve for x
   x = 1,621,325,074,593.10/1,432,058.77
6. Step 6: Final answer
   x = 1,132,163.79