Finding the Fourth Proportional to 2,538.60, 3,808.56 and 1,499.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.60 : 3,808.56 = 1,499.46 : x
2. Step 2: Convert to fraction form
   2,538.60/3,808.56 = 1,499.46/x
3. Step 3: Cross multiply
   2,538.60x = 3,808.56 × 1,499.46
4. Step 4: Simplify right side
   2,538.60x = 5,710,783.38
5. Step 5: Solve for x
   x = 5,710,783.38/2,538.60
6. Step 6: Final answer
   x = 2,249.58