Finding the Fourth Proportional to 1,342.13, 1,851.62 and 774.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.13 : 1,851.62 = 774.59 : x
2. Step 2: Convert to fraction form
   1,342.13/1,851.62 = 774.59/x
3. Step 3: Cross multiply
   1,342.13x = 1,851.62 × 774.59
4. Step 4: Simplify right side
   1,342.13x = 1,434,233.20
5. Step 5: Solve for x
   x = 1,434,233.20/1,342.13
6. Step 6: Final answer
   x = 1,068.63