Finding the Fourth Proportional to 1,397.51, 2,096.89 and 703.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.51 : 2,096.89 = 703.80 : x
2. Step 2: Convert to fraction form
   1,397.51/2,096.89 = 703.80/x
3. Step 3: Cross multiply
   1,397.51x = 2,096.89 × 703.80
4. Step 4: Simplify right side
   1,397.51x = 1,475,797.10
5. Step 5: Solve for x
   x = 1,475,797.10/1,397.51
6. Step 6: Final answer
   x = 1,056.02