Finding the Fourth Proportional to 8,776,868.72, 13,160,569.28 and 3,981,941.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776,868.72 : 13,160,569.28 = 3,981,941.60 : x
2. Step 2: Convert to fraction form
   8,776,868.72/13,160,569.28 = 3,981,941.60/x
3. Step 3: Cross multiply
   8,776,868.72x = 13,160,569.28 × 3,981,941.60
4. Step 4: Simplify right side
   8,776,868.72x = 52,404,618,295,714.05
5. Step 5: Solve for x
   x = 52,404,618,295,714.05/8,776,868.72
6. Step 6: Final answer
   x = 5,970,764.74