Finding the Fourth Proportional to 1,150,249.10, 1,587,350.06 and 667,100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,249.10 : 1,587,350.06 = 667,100.71 : x
2. Step 2: Convert to fraction form
   1,150,249.10/1,587,350.06 = 667,100.71/x
3. Step 3: Cross multiply
   1,150,249.10x = 1,587,350.06 × 667,100.71
4. Step 4: Simplify right side
   1,150,249.10x = 1,058,922,347,242.29
5. Step 5: Solve for x
   x = 1,058,922,347,242.29/1,150,249.10
6. Step 6: Final answer
   x = 920,602.63