Finding the Fourth Proportional to 1,175.50, 1,622.37 and 710.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175.50 : 1,622.37 = 710.02 : x
2. Step 2: Convert to fraction form
   1,175.50/1,622.37 = 710.02/x
3. Step 3: Cross multiply
   1,175.50x = 1,622.37 × 710.02
4. Step 4: Simplify right side
   1,175.50x = 1,151,915.15
5. Step 5: Solve for x
   x = 1,151,915.15/1,175.50
6. Step 6: Final answer
   x = 979.94