Finding the Fourth Proportional to 1,607.34, 2,408.58 and 785.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.34 : 2,408.58 = 785.46 : x
2. Step 2: Convert to fraction form
   1,607.34/2,408.58 = 785.46/x
3. Step 3: Cross multiply
   1,607.34x = 2,408.58 × 785.46
4. Step 4: Simplify right side
   1,607.34x = 1,891,843.25
5. Step 5: Solve for x
   x = 1,891,843.25/1,607.34
6. Step 6: Final answer
   x = 1,177.00