Finding the Fourth Proportional to 1,412.38, 1,948.17 and 970.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.38 : 1,948.17 = 970.52 : x
2. Step 2: Convert to fraction form
   1,412.38/1,948.17 = 970.52/x
3. Step 3: Cross multiply
   1,412.38x = 1,948.17 × 970.52
4. Step 4: Simplify right side
   1,412.38x = 1,890,737.95
5. Step 5: Solve for x
   x = 1,890,737.95/1,412.38
6. Step 6: Final answer
   x = 1,338.69