Finding the Fourth Proportional to 1,026.86, 1,417.12 and 607.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.86 : 1,417.12 = 607.46 : x
2. Step 2: Convert to fraction form
   1,026.86/1,417.12 = 607.46/x
3. Step 3: Cross multiply
   1,026.86x = 1,417.12 × 607.46
4. Step 4: Simplify right side
   1,026.86x = 860,836.63
5. Step 5: Solve for x
   x = 860,836.63/1,026.86
6. Step 6: Final answer
   x = 838.32