Finding the Fourth Proportional to 1,096.64, 1,513.10 and 703.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.64 : 1,513.10 = 703.79 : x
2. Step 2: Convert to fraction form
   1,096.64/1,513.10 = 703.79/x
3. Step 3: Cross multiply
   1,096.64x = 1,513.10 × 703.79
4. Step 4: Simplify right side
   1,096.64x = 1,064,893.56
5. Step 5: Solve for x
   x = 1,064,893.56/1,096.64
6. Step 6: Final answer
   x = 971.06