Finding the Fourth Proportional to 1,026.63, 1,416.86 and 607.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.63 : 1,416.86 = 607.12 : x
2. Step 2: Convert to fraction form
   1,026.63/1,416.86 = 607.12/x
3. Step 3: Cross multiply
   1,026.63x = 1,416.86 × 607.12
4. Step 4: Simplify right side
   1,026.63x = 860,204.04
5. Step 5: Solve for x
   x = 860,204.04/1,026.63
6. Step 6: Final answer
   x = 837.89