Finding the Fourth Proportional to 1,998,067.86, 2,755,493.28 and 1,309,488.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998,067.86 : 2,755,493.28 = 1,309,488.93 : x
2. Step 2: Convert to fraction form
   1,998,067.86/2,755,493.28 = 1,309,488.93/x
3. Step 3: Cross multiply
   1,998,067.86x = 2,755,493.28 × 1,309,488.93
4. Step 4: Simplify right side
   1,998,067.86x = 3,608,287,946,849.39
5. Step 5: Solve for x
   x = 3,608,287,946,849.39/1,998,067.86
6. Step 6: Final answer
   x = 1,805,888.59