Finding the Fourth Proportional to 2,581,861.92, 3,562,918.80 and 1,435,917.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,861.92 : 3,562,918.80 = 1,435,917.60 : x
2. Step 2: Convert to fraction form
   2,581,861.92/3,562,918.80 = 1,435,917.60/x
3. Step 3: Cross multiply
   2,581,861.92x = 3,562,918.80 × 1,435,917.60
4. Step 4: Simplify right side
   2,581,861.92x = 5,116,057,812,290.88
5. Step 5: Solve for x
   x = 5,116,057,812,290.88/2,581,861.92
6. Step 6: Final answer
   x = 1,981,538.12