Finding the Fourth Proportional to 1,300.95, 1,949.89 and 684.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.95 : 1,949.89 = 684.34 : x
2. Step 2: Convert to fraction form
   1,300.95/1,949.89 = 684.34/x
3. Step 3: Cross multiply
   1,300.95x = 1,949.89 × 684.34
4. Step 4: Simplify right side
   1,300.95x = 1,334,387.72
5. Step 5: Solve for x
   x = 1,334,387.72/1,300.95
6. Step 6: Final answer
   x = 1,025.70