Finding the Fourth Proportional to 1,343.63, 2,013.61 and 694.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.63 : 2,013.61 = 694.82 : x
2. Step 2: Convert to fraction form
   1,343.63/2,013.61 = 694.82/x
3. Step 3: Cross multiply
   1,343.63x = 2,013.61 × 694.82
4. Step 4: Simplify right side
   1,343.63x = 1,399,096.50
5. Step 5: Solve for x
   x = 1,399,096.50/1,343.63
6. Step 6: Final answer
   x = 1,041.28