Finding the Fourth Proportional to 1,858.62, 2,782.17 and 1,469.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.62 : 2,782.17 = 1,469.82 : x
2. Step 2: Convert to fraction form
   1,858.62/2,782.17 = 1,469.82/x
3. Step 3: Cross multiply
   1,858.62x = 2,782.17 × 1,469.82
4. Step 4: Simplify right side
   1,858.62x = 4,089,289.11
5. Step 5: Solve for x
   x = 4,089,289.11/1,858.62
6. Step 6: Final answer
   x = 2,200.17