Finding the Fourth Proportional to 1,342,830, 1,853,105.40 and 739,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342,830 : 1,853,105.40 = 739,218 : x
2. Step 2: Convert to fraction form
   1,342,830/1,853,105.40 = 739,218/x
3. Step 3: Cross multiply
   1,342,830x = 1,853,105.40 × 739,218
4. Step 4: Simplify right side
   1,342,830x = 1,369,848,867,577.20
5. Step 5: Solve for x
   x = 1,369,848,867,577.20/1,342,830
6. Step 6: Final answer
   x = 1,020,120.84