Finding the Fourth Proportional to 1,008,250.69, 1,513,074.53 and 400,976.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,250.69 : 1,513,074.53 = 400,976.77 : x
2. Step 2: Convert to fraction form
   1,008,250.69/1,513,074.53 = 400,976.77/x
3. Step 3: Cross multiply
   1,008,250.69x = 1,513,074.53 × 400,976.77
4. Step 4: Simplify right side
   1,008,250.69x = 606,707,735,803.78
5. Step 5: Solve for x
   x = 606,707,735,803.78/1,008,250.69
6. Step 6: Final answer
   x = 601,742.94