Finding the Fourth Proportional to 2,570,778.58, 3,856,181.58 and 773,649.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,778.58 : 3,856,181.58 = 773,649.76 : x
2. Step 2: Convert to fraction form
   2,570,778.58/3,856,181.58 = 773,649.76/x
3. Step 3: Cross multiply
   2,570,778.58x = 3,856,181.58 × 773,649.76
4. Step 4: Simplify right side
   2,570,778.58x = 2,983,333,953,883.42
5. Step 5: Solve for x
   x = 2,983,333,953,883.42/2,570,778.58
6. Step 6: Final answer
   x = 1,160,478.77