Finding the Fourth Proportional to 925,940.85, 1,277,847.99 and 518,018.35

Step by Step Solution

1. Step 1: Write the proportion equation
   925,940.85 : 1,277,847.99 = 518,018.35 : x
2. Step 2: Convert to fraction form
   925,940.85/1,277,847.99 = 518,018.35/x
3. Step 3: Cross multiply
   925,940.85x = 1,277,847.99 × 518,018.35
4. Step 4: Simplify right side
   925,940.85x = 661,948,710,870.50
5. Step 5: Solve for x
   x = 661,948,710,870.50/925,940.85
6. Step 6: Final answer
   x = 714,893.09