Finding the Fourth Proportional to 1,902.90, 2,626.05 and 1,063.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902.90 : 2,626.05 = 1,063.59 : x
2. Step 2: Convert to fraction form
   1,902.90/2,626.05 = 1,063.59/x
3. Step 3: Cross multiply
   1,902.90x = 2,626.05 × 1,063.59
4. Step 4: Simplify right side
   1,902.90x = 2,793,040.52
5. Step 5: Solve for x
   x = 2,793,040.52/1,902.90
6. Step 6: Final answer
   x = 1,467.78