Finding the Fourth Proportional to 2,405,833.15, 3,320,049.67 and 1,318,145.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,833.15 : 3,320,049.67 = 1,318,145.91 : x
2. Step 2: Convert to fraction form
   2,405,833.15/3,320,049.67 = 1,318,145.91/x
3. Step 3: Cross multiply
   2,405,833.15x = 3,320,049.67 × 1,318,145.91
4. Step 4: Simplify right side
   2,405,833.15x = 4,376,309,870,316.37
5. Step 5: Solve for x
   x = 4,376,309,870,316.37/2,405,833.15
6. Step 6: Final answer
   x = 1,819,041.31