Finding the Fourth Proportional to 972,481.47, 1,340,776.83 and 797,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   972,481.47 : 1,340,776.83 = 797,406.72 : x
2. Step 2: Convert to fraction form
   972,481.47/1,340,776.83 = 797,406.72/x
3. Step 3: Cross multiply
   972,481.47x = 1,340,776.83 × 797,406.72
4. Step 4: Simplify right side
   972,481.47x = 1,069,144,454,262.30
5. Step 5: Solve for x
   x = 1,069,144,454,262.30/972,481.47
6. Step 6: Final answer
   x = 1,099,398.28