Finding the Fourth Proportional to 1,200.18, 1,656.27 and 734.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.18 : 1,656.27 = 734.70 : x
2. Step 2: Convert to fraction form
   1,200.18/1,656.27 = 734.70/x
3. Step 3: Cross multiply
   1,200.18x = 1,656.27 × 734.70
4. Step 4: Simplify right side
   1,200.18x = 1,216,861.57
5. Step 5: Solve for x
   x = 1,216,861.57/1,200.18
6. Step 6: Final answer
   x = 1,013.90