Finding the Fourth Proportional to 1,150,613.70, 1,587,494.88 and 667,082.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,613.70 : 1,587,494.88 = 667,082.34 : x
2. Step 2: Convert to fraction form
   1,150,613.70/1,587,494.88 = 667,082.34/x
3. Step 3: Cross multiply
   1,150,613.70x = 1,587,494.88 × 667,082.34
4. Step 4: Simplify right side
   1,150,613.70x = 1,058,989,799,288.42
5. Step 5: Solve for x
   x = 1,058,989,799,288.42/1,150,613.70
6. Step 6: Final answer
   x = 920,369.54