Finding the Fourth Proportional to 1,918.01, 2,648.67 and 1,814.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.01 : 2,648.67 = 1,814.47 : x
2. Step 2: Convert to fraction form
   1,918.01/2,648.67 = 1,814.47/x
3. Step 3: Cross multiply
   1,918.01x = 2,648.67 × 1,814.47
4. Step 4: Simplify right side
   1,918.01x = 4,805,918.83
5. Step 5: Solve for x
   x = 4,805,918.83/1,918.01
6. Step 6: Final answer
   x = 2,505.68