Finding the Fourth Proportional to 1,774.69, 2,447.83 and 1,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.69 : 2,447.83 = 1,538.22 : x
2. Step 2: Convert to fraction form
   1,774.69/2,447.83 = 1,538.22/x
3. Step 3: Cross multiply
   1,774.69x = 2,447.83 × 1,538.22
4. Step 4: Simplify right side
   1,774.69x = 3,765,301.06
5. Step 5: Solve for x
   x = 3,765,301.06/1,774.69
6. Step 6: Final answer
   x = 2,121.67