Finding the Fourth Proportional to 1,435,826.96, 1,981,415.72 and 782,458.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,826.96 : 1,981,415.72 = 782,458.80 : x
2. Step 2: Convert to fraction form
   1,435,826.96/1,981,415.72 = 782,458.80/x
3. Step 3: Cross multiply
   1,435,826.96x = 1,981,415.72 × 782,458.80
4. Step 4: Simplify right side
   1,435,826.96x = 1,550,376,166,572.34
5. Step 5: Solve for x
   x = 1,550,376,166,572.34/1,435,826.96
6. Step 6: Final answer
   x = 1,079,779.26