Finding the Fourth Proportional to 1,227.34, 1,693.82 and 703.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.34 : 1,693.82 = 703.45 : x
2. Step 2: Convert to fraction form
   1,227.34/1,693.82 = 703.45/x
3. Step 3: Cross multiply
   1,227.34x = 1,693.82 × 703.45
4. Step 4: Simplify right side
   1,227.34x = 1,191,505.69
5. Step 5: Solve for x
   x = 1,191,505.69/1,227.34
6. Step 6: Final answer
   x = 970.81