Finding the Fourth Proportional to 6,981,446.10, 10,472,169.15 and 1,863,866.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,981,446.10 : 10,472,169.15 = 1,863,866.10 : x
2. Step 2: Convert to fraction form
   6,981,446.10/10,472,169.15 = 1,863,866.10/x
3. Step 3: Cross multiply
   6,981,446.10x = 10,472,169.15 × 1,863,866.10
4. Step 4: Simplify right side
   6,981,446.10x = 19,518,721,072,150.82
5. Step 5: Solve for x
   x = 19,518,721,072,150.82/6,981,446.10
6. Step 6: Final answer
   x = 2,795,799.15