Finding the Fourth Proportional to 5,707,391.32, 8,562,404.58 and 1,920,781.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707,391.32 : 8,562,404.58 = 1,920,781.72 : x
2. Step 2: Convert to fraction form
   5,707,391.32/8,562,404.58 = 1,920,781.72/x
3. Step 3: Cross multiply
   5,707,391.32x = 8,562,404.58 × 1,920,781.72
4. Step 4: Simplify right side
   5,707,391.32x = 16,446,510,196,508.28
5. Step 5: Solve for x
   x = 16,446,510,196,508.28/5,707,391.32
6. Step 6: Final answer
   x = 2,881,616.01