Finding the Fourth Proportional to 8,776,876.72, 13,160,581.20 and 3,981,949.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776,876.72 : 13,160,581.20 = 3,981,949.72 : x
2. Step 2: Convert to fraction form
   8,776,876.72/13,160,581.20 = 3,981,949.72/x
3. Step 3: Cross multiply
   8,776,876.72x = 13,160,581.20 × 3,981,949.72
4. Step 4: Simplify right side
   8,776,876.72x = 52,404,772,624,377.27
5. Step 5: Solve for x
   x = 52,404,772,624,377.27/8,776,876.72
6. Step 6: Final answer
   x = 5,970,776.88