Finding the Fourth Proportional to 2,534.28, 3,495.72 and 1,538.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,534.28 : 3,495.72 = 1,538.58 : x
2. Step 2: Convert to fraction form
   2,534.28/3,495.72 = 1,538.58/x
3. Step 3: Cross multiply
   2,534.28x = 3,495.72 × 1,538.58
4. Step 4: Simplify right side
   2,534.28x = 5,378,444.88
5. Step 5: Solve for x
   x = 5,378,444.88/2,534.28
6. Step 6: Final answer
   x = 2,122.28