Finding the Fourth Proportional to 2,573,380.42, 3,860,103.48 and 680,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,380.42 : 3,860,103.48 = 680,105.50 : x
2. Step 2: Convert to fraction form
   2,573,380.42/3,860,103.48 = 680,105.50/x
3. Step 3: Cross multiply
   2,573,380.42x = 3,860,103.48 × 680,105.50
4. Step 4: Simplify right side
   2,573,380.42x = 2,625,277,607,317.14
5. Step 5: Solve for x
   x = 2,625,277,607,317.14/2,573,380.42
6. Step 6: Final answer
   x = 1,020,166.93