Finding the Fourth Proportional to 2,453.75, 3,678.55 and 1,066.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.75 : 3,678.55 = 1,066.03 : x
2. Step 2: Convert to fraction form
   2,453.75/3,678.55 = 1,066.03/x
3. Step 3: Cross multiply
   2,453.75x = 3,678.55 × 1,066.03
4. Step 4: Simplify right side
   2,453.75x = 3,921,444.66
5. Step 5: Solve for x
   x = 3,921,444.66/2,453.75
6. Step 6: Final answer
   x = 1,598.14