Finding the Fourth Proportional to 1,435,931.87, 1,981,586.29 and 782,558.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,931.87 : 1,981,586.29 = 782,558.05 : x
2. Step 2: Convert to fraction form
   1,435,931.87/1,981,586.29 = 782,558.05/x
3. Step 3: Cross multiply
   1,435,931.87x = 1,981,586.29 × 782,558.05
4. Step 4: Simplify right side
   1,435,931.87x = 1,550,706,300,011.56
5. Step 5: Solve for x
   x = 1,550,706,300,011.56/1,435,931.87
6. Step 6: Final answer
   x = 1,079,930.28