Finding the Fourth Proportional to 1,061,531.37, 1,464,903.21 and 578,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,531.37 : 1,464,903.21 = 578,104.59 : x
2. Step 2: Convert to fraction form
   1,061,531.37/1,464,903.21 = 578,104.59/x
3. Step 3: Cross multiply
   1,061,531.37x = 1,464,903.21 × 578,104.59
4. Step 4: Simplify right side
   1,061,531.37x = 846,867,269,606.73
5. Step 5: Solve for x
   x = 846,867,269,606.73/1,061,531.37
6. Step 6: Final answer
   x = 797,778.84