Finding the Fourth Proportional to 1,412.33, 1,948.03 and 971.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.33 : 1,948.03 = 971.29 : x
2. Step 2: Convert to fraction form
   1,412.33/1,948.03 = 971.29/x
3. Step 3: Cross multiply
   1,412.33x = 1,948.03 × 971.29
4. Step 4: Simplify right side
   1,412.33x = 1,892,092.32
5. Step 5: Solve for x
   x = 1,892,092.32/1,412.33
6. Step 6: Final answer
   x = 1,339.70