Finding the Fourth Proportional to 1,150,404.53, 1,587,676.34 and 691,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,404.53 : 1,587,676.34 = 691,668.52 : x
2. Step 2: Convert to fraction form
   1,150,404.53/1,587,676.34 = 691,668.52/x
3. Step 3: Cross multiply
   1,150,404.53x = 1,587,676.34 × 691,668.52
4. Step 4: Simplify right side
   1,150,404.53x = 1,098,145,742,086.80
5. Step 5: Solve for x
   x = 1,098,145,742,086.80/1,150,404.53
6. Step 6: Final answer
   x = 954,573.56