Finding the Fourth Proportional to 706,081.80, 1,058,466.60 and 492,849.30

Step by Step Solution

1. Step 1: Write the proportion equation
   706,081.80 : 1,058,466.60 = 492,849.30 : x
2. Step 2: Convert to fraction form
   706,081.80/1,058,466.60 = 492,849.30/x
3. Step 3: Cross multiply
   706,081.80x = 1,058,466.60 × 492,849.30
4. Step 4: Simplify right side
   706,081.80x = 521,664,522,883.38
5. Step 5: Solve for x
   x = 521,664,522,883.38/706,081.80
6. Step 6: Final answer
   x = 738,815.99