Finding the Fourth Proportional to 1,040,185.10, 1,561,444.05 and 804,572.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,185.10 : 1,561,444.05 = 804,572.30 : x
2. Step 2: Convert to fraction form
   1,040,185.10/1,561,444.05 = 804,572.30/x
3. Step 3: Cross multiply
   1,040,185.10x = 1,561,444.05 × 804,572.30
4. Step 4: Simplify right side
   1,040,185.10x = 1,256,294,630,629.82
5. Step 5: Solve for x
   x = 1,256,294,630,629.82/1,040,185.10
6. Step 6: Final answer
   x = 1,207,760.65