Finding the Fourth Proportional to 1,433.69, 2,147.79 and 970.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.69 : 2,147.79 = 970.67 : x
2. Step 2: Convert to fraction form
   1,433.69/2,147.79 = 970.67/x
3. Step 3: Cross multiply
   1,433.69x = 2,147.79 × 970.67
4. Step 4: Simplify right side
   1,433.69x = 2,084,795.32
5. Step 5: Solve for x
   x = 2,084,795.32/1,433.69
6. Step 6: Final answer
   x = 1,454.15