Finding the Fourth Proportional to 2,422.59, 3,343.71 and 1,538.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.59 : 3,343.71 = 1,538.25 : x
2. Step 2: Convert to fraction form
   2,422.59/3,343.71 = 1,538.25/x
3. Step 3: Cross multiply
   2,422.59x = 3,343.71 × 1,538.25
4. Step 4: Simplify right side
   2,422.59x = 5,143,461.91
5. Step 5: Solve for x
   x = 5,143,461.91/2,422.59
6. Step 6: Final answer
   x = 2,123.13