Finding the Fourth Proportional to 1,231,013.30, 1,698,791.86 and 714,894.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,013.30 : 1,698,791.86 = 714,894.10 : x
2. Step 2: Convert to fraction form
   1,231,013.30/1,698,791.86 = 714,894.10/x
3. Step 3: Cross multiply
   1,231,013.30x = 1,698,791.86 × 714,894.10
4. Step 4: Simplify right side
   1,231,013.30x = 1,214,456,277,842.03
5. Step 5: Solve for x
   x = 1,214,456,277,842.03/1,231,013.30
6. Step 6: Final answer
   x = 986,550.09