Finding the Fourth Proportional to 1,200.39, 1,656.69 and 703.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.39 : 1,656.69 = 703.02 : x
2. Step 2: Convert to fraction form
   1,200.39/1,656.69 = 703.02/x
3. Step 3: Cross multiply
   1,200.39x = 1,656.69 × 703.02
4. Step 4: Simplify right side
   1,200.39x = 1,164,680.46
5. Step 5: Solve for x
   x = 1,164,680.46/1,200.39
6. Step 6: Final answer
   x = 970.25