Finding the Fourth Proportional to 1,200.48, 1,656.72 and 703.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.48 : 1,656.72 = 703.11 : x
2. Step 2: Convert to fraction form
   1,200.48/1,656.72 = 703.11/x
3. Step 3: Cross multiply
   1,200.48x = 1,656.72 × 703.11
4. Step 4: Simplify right side
   1,200.48x = 1,164,856.40
5. Step 5: Solve for x
   x = 1,164,856.40/1,200.48
6. Step 6: Final answer
   x = 970.33