Finding the Fourth Proportional to 1,150,575.72, 1,587,442.61 and 667,044.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,575.72 : 1,587,442.61 = 667,044.37 : x
2. Step 2: Convert to fraction form
   1,150,575.72/1,587,442.61 = 667,044.37/x
3. Step 3: Cross multiply
   1,150,575.72x = 1,587,442.61 × 667,044.37
4. Step 4: Simplify right side
   1,150,575.72x = 1,058,894,646,669.03
5. Step 5: Solve for x
   x = 1,058,894,646,669.03/1,150,575.72
6. Step 6: Final answer
   x = 920,317.22