Finding the Fourth Proportional to 1,150,449.78, 1,587,626.02 and 667,300.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,449.78 : 1,587,626.02 = 667,300.98 : x
2. Step 2: Convert to fraction form
   1,150,449.78/1,587,626.02 = 667,300.98/x
3. Step 3: Cross multiply
   1,150,449.78x = 1,587,626.02 × 667,300.98
4. Step 4: Simplify right side
   1,150,449.78x = 1,059,424,399,019.50
5. Step 5: Solve for x
   x = 1,059,424,399,019.50/1,150,449.78
6. Step 6: Final answer
   x = 920,878.44