Finding the Fourth Proportional to 1,199.94, 1,655.94 and 702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199.94 : 1,655.94 = 702.72 : x
2. Step 2: Convert to fraction form
   1,199.94/1,655.94 = 702.72/x
3. Step 3: Cross multiply
   1,199.94x = 1,655.94 × 702.72
4. Step 4: Simplify right side
   1,199.94x = 1,163,662.16
5. Step 5: Solve for x
   x = 1,163,662.16/1,199.94
6. Step 6: Final answer
   x = 969.77