Finding the Fourth Proportional to 1,100.39, 1,649.37 and 970.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.39 : 1,649.37 = 970.52 : x
2. Step 2: Convert to fraction form
   1,100.39/1,649.37 = 970.52/x
3. Step 3: Cross multiply
   1,100.39x = 1,649.37 × 970.52
4. Step 4: Simplify right side
   1,100.39x = 1,600,746.57
5. Step 5: Solve for x
   x = 1,600,746.57/1,100.39
6. Step 6: Final answer
   x = 1,454.71