Finding the Fourth Proportional to 2,622.58, 3,933.86 and 773.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.58 : 3,933.86 = 773.69 : x
2. Step 2: Convert to fraction form
   2,622.58/3,933.86 = 773.69/x
3. Step 3: Cross multiply
   2,622.58x = 3,933.86 × 773.69
4. Step 4: Simplify right side
   2,622.58x = 3,043,564.61
5. Step 5: Solve for x
   x = 3,043,564.61/2,622.58
6. Step 6: Final answer
   x = 1,160.52