Finding the Fourth Proportional to 1,009,111.98, 1,392,607.71 and 579,468.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,111.98 : 1,392,607.71 = 579,468.54 : x
2. Step 2: Convert to fraction form
   1,009,111.98/1,392,607.71 = 579,468.54/x
3. Step 3: Cross multiply
   1,009,111.98x = 1,392,607.71 × 579,468.54
4. Step 4: Simplify right side
   1,009,111.98x = 806,972,356,506.44
5. Step 5: Solve for x
   x = 806,972,356,506.44/1,009,111.98
6. Step 6: Final answer
   x = 799,685.64