Finding the Fourth Proportional to 1,225.82, 1,691.59 and 701.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.82 : 1,691.59 = 701.82 : x
2. Step 2: Convert to fraction form
   1,225.82/1,691.59 = 701.82/x
3. Step 3: Cross multiply
   1,225.82x = 1,691.59 × 701.82
4. Step 4: Simplify right side
   1,225.82x = 1,187,191.69
5. Step 5: Solve for x
   x = 1,187,191.69/1,225.82
6. Step 6: Final answer
   x = 968.49