Finding the Fourth Proportional to 1,970.71, 2,951.59 and 1,528.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.71 : 2,951.59 = 1,528.41 : x
2. Step 2: Convert to fraction form
   1,970.71/2,951.59 = 1,528.41/x
3. Step 3: Cross multiply
   1,970.71x = 2,951.59 × 1,528.41
4. Step 4: Simplify right side
   1,970.71x = 4,511,239.67
5. Step 5: Solve for x
   x = 4,511,239.67/1,970.71
6. Step 6: Final answer
   x = 2,289.14