Finding the Fourth Proportional to 1,981,105.58, 2,970,443.93 and 843,219.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981,105.58 : 2,970,443.93 = 843,219.81 : x
2. Step 2: Convert to fraction form
   1,981,105.58/2,970,443.93 = 843,219.81/x
3. Step 3: Cross multiply
   1,981,105.58x = 2,970,443.93 × 843,219.81
4. Step 4: Simplify right side
   1,981,105.58x = 2,504,737,162,054.15
5. Step 5: Solve for x
   x = 2,504,737,162,054.15/1,981,105.58
6. Step 6: Final answer
   x = 1,264,312.81