Finding the Fourth Proportional to 1,026.82, 1,417.18 and 607.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.82 : 1,417.18 = 607.27 : x
2. Step 2: Convert to fraction form
   1,026.82/1,417.18 = 607.27/x
3. Step 3: Cross multiply
   1,026.82x = 1,417.18 × 607.27
4. Step 4: Simplify right side
   1,026.82x = 860,607.86
5. Step 5: Solve for x
   x = 860,607.86/1,026.82
6. Step 6: Final answer
   x = 838.13