Finding the Fourth Proportional to 1,818,353.82, 2,727,235.89 and 858,808.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,353.82 : 2,727,235.89 = 858,808.38 : x
2. Step 2: Convert to fraction form
   1,818,353.82/2,727,235.89 = 858,808.38/x
3. Step 3: Cross multiply
   1,818,353.82x = 2,727,235.89 × 858,808.38
4. Step 4: Simplify right side
   1,818,353.82x = 2,342,173,036,568.76
5. Step 5: Solve for x
   x = 2,342,173,036,568.76/1,818,353.82
6. Step 6: Final answer
   x = 1,288,073.32