Finding the Fourth Proportional to 1,300.08, 1,951.17 and 684.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.08 : 1,951.17 = 684.15 : x
2. Step 2: Convert to fraction form
   1,300.08/1,951.17 = 684.15/x
3. Step 3: Cross multiply
   1,300.08x = 1,951.17 × 684.15
4. Step 4: Simplify right side
   1,300.08x = 1,334,892.96
5. Step 5: Solve for x
   x = 1,334,892.96/1,300.08
6. Step 6: Final answer
   x = 1,026.78