Finding the Fourth Proportional to 1,179.25, 1,627.42 and 707.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.25 : 1,627.42 = 707.06 : x
2. Step 2: Convert to fraction form
   1,179.25/1,627.42 = 707.06/x
3. Step 3: Cross multiply
   1,179.25x = 1,627.42 × 707.06
4. Step 4: Simplify right side
   1,179.25x = 1,150,683.59
5. Step 5: Solve for x
   x = 1,150,683.59/1,179.25
6. Step 6: Final answer
   x = 975.78