Finding the Fourth Proportional to 1,398.02, 2,096.75 and 704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398.02 : 2,096.75 = 704.50 : x
2. Step 2: Convert to fraction form
   1,398.02/2,096.75 = 704.50/x
3. Step 3: Cross multiply
   1,398.02x = 2,096.75 × 704.50
4. Step 4: Simplify right side
   1,398.02x = 1,477,156.89
5. Step 5: Solve for x
   x = 1,477,156.89/1,398.02
6. Step 6: Final answer
   x = 1,056.61