Finding the Fourth Proportional to 1,469.58, 2,193.86 and 1,418.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.58 : 2,193.86 = 1,418.28 : x
2. Step 2: Convert to fraction form
   1,469.58/2,193.86 = 1,418.28/x
3. Step 3: Cross multiply
   1,469.58x = 2,193.86 × 1,418.28
4. Step 4: Simplify right side
   1,469.58x = 3,111,500.67
5. Step 5: Solve for x
   x = 3,111,500.67/1,469.58
6. Step 6: Final answer
   x = 2,117.27