Finding the Fourth Proportional to 1,200.76, 1,656.86 and 703.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.76 : 1,656.86 = 703.32 : x
2. Step 2: Convert to fraction form
   1,200.76/1,656.86 = 703.32/x
3. Step 3: Cross multiply
   1,200.76x = 1,656.86 × 703.32
4. Step 4: Simplify right side
   1,200.76x = 1,165,293.05
5. Step 5: Solve for x
   x = 1,165,293.05/1,200.76
6. Step 6: Final answer
   x = 970.46