Finding the Fourth Proportional to 1,783,019.55, 2,669,805.31 and 939,799.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783,019.55 : 2,669,805.31 = 939,799.83 : x
2. Step 2: Convert to fraction form
   1,783,019.55/2,669,805.31 = 939,799.83/x
3. Step 3: Cross multiply
   1,783,019.55x = 2,669,805.31 × 939,799.83
4. Step 4: Simplify right side
   1,783,019.55x = 2,509,082,576,471.10
5. Step 5: Solve for x
   x = 2,509,082,576,471.10/1,783,019.55
6. Step 6: Final answer
   x = 1,407,209.80