Finding the Fourth Proportional to 1,321,219.52, 1,823,410.91 and 740,541.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,219.52 : 1,823,410.91 = 740,541.28 : x
2. Step 2: Convert to fraction form
   1,321,219.52/1,823,410.91 = 740,541.28/x
3. Step 3: Cross multiply
   1,321,219.52x = 1,823,410.91 × 740,541.28
4. Step 4: Simplify right side
   1,321,219.52x = 1,350,311,055,667.25
5. Step 5: Solve for x
   x = 1,350,311,055,667.25/1,321,219.52
6. Step 6: Final answer
   x = 1,022,018.70