Finding the Fourth Proportional to 1,342.17, 1,851.93 and 782.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.17 : 1,851.93 = 782.73 : x
2. Step 2: Convert to fraction form
   1,342.17/1,851.93 = 782.73/x
3. Step 3: Cross multiply
   1,342.17x = 1,851.93 × 782.73
4. Step 4: Simplify right side
   1,342.17x = 1,449,561.17
5. Step 5: Solve for x
   x = 1,449,561.17/1,342.17
6. Step 6: Final answer
   x = 1,080.01