Finding the Fourth Proportional to 1,596.61, 2,392.59 and 773.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.61 : 2,392.59 = 773.96 : x
2. Step 2: Convert to fraction form
   1,596.61/2,392.59 = 773.96/x
3. Step 3: Cross multiply
   1,596.61x = 2,392.59 × 773.96
4. Step 4: Simplify right side
   1,596.61x = 1,851,755.54
5. Step 5: Solve for x
   x = 1,851,755.54/1,596.61
6. Step 6: Final answer
   x = 1,159.80