Finding the Fourth Proportional to 1,538.79, 2,310.81 and 1,469.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538.79 : 2,310.81 = 1,469.52 : x
2. Step 2: Convert to fraction form
   1,538.79/2,310.81 = 1,469.52/x
3. Step 3: Cross multiply
   1,538.79x = 2,310.81 × 1,469.52
4. Step 4: Simplify right side
   1,538.79x = 3,395,781.51
5. Step 5: Solve for x
   x = 3,395,781.51/1,538.79
6. Step 6: Final answer
   x = 2,206.79