Finding the Fourth Proportional to 1,411.88, 1,947.48 and 970.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.88 : 1,947.48 = 970.03 : x
2. Step 2: Convert to fraction form
   1,411.88/1,947.48 = 970.03/x
3. Step 3: Cross multiply
   1,411.88x = 1,947.48 × 970.03
4. Step 4: Simplify right side
   1,411.88x = 1,889,114.02
5. Step 5: Solve for x
   x = 1,889,114.02/1,411.88
6. Step 6: Final answer
   x = 1,338.01