Finding the Fourth Proportional to 3,816,290.72, 5,724,406.91 and 976,398.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816,290.72 : 5,724,406.91 = 976,398.32 : x
2. Step 2: Convert to fraction form
   3,816,290.72/5,724,406.91 = 976,398.32/x
3. Step 3: Cross multiply
   3,816,290.72x = 5,724,406.91 × 976,398.32
4. Step 4: Simplify right side
   3,816,290.72x = 5,589,301,289,920.39
5. Step 5: Solve for x
   x = 5,589,301,289,920.39/3,816,290.72
6. Step 6: Final answer
   x = 1,464,590.02