Finding the Fourth Proportional to 2,828,109.69, 4,242,173.37 and 698,194.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828,109.69 : 4,242,173.37 = 698,194.05 : x
2. Step 2: Convert to fraction form
   2,828,109.69/4,242,173.37 = 698,194.05/x
3. Step 3: Cross multiply
   2,828,109.69x = 4,242,173.37 × 698,194.05
4. Step 4: Simplify right side
   2,828,109.69x = 2,961,860,206,002.45
5. Step 5: Solve for x
   x = 2,961,860,206,002.45/2,828,109.69
6. Step 6: Final answer
   x = 1,047,293.26