Finding the Fourth Proportional to 1,521.90, 2,281.89 and 700.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.90 : 2,281.89 = 700.41 : x
2. Step 2: Convert to fraction form
   1,521.90/2,281.89 = 700.41/x
3. Step 3: Cross multiply
   1,521.90x = 2,281.89 × 700.41
4. Step 4: Simplify right side
   1,521.90x = 1,598,258.57
5. Step 5: Solve for x
   x = 1,598,258.57/1,521.90
6. Step 6: Final answer
   x = 1,050.17