Finding the Fourth Proportional to 792,164.34, 1,185,408 and 685,915.02

Step by Step Solution

1. Step 1: Write the proportion equation
   792,164.34 : 1,185,408 = 685,915.02 : x
2. Step 2: Convert to fraction form
   792,164.34/1,185,408 = 685,915.02/x
3. Step 3: Cross multiply
   792,164.34x = 1,185,408 × 685,915.02
4. Step 4: Simplify right side
   792,164.34x = 813,089,152,028.16
5. Step 5: Solve for x
   x = 813,089,152,028.16/792,164.34
6. Step 6: Final answer
   x = 1,026,414.74