Finding the Fourth Proportional to 2,525.42, 3,783.36 and 1,430.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.42 : 3,783.36 = 1,430.57 : x
2. Step 2: Convert to fraction form
   2,525.42/3,783.36 = 1,430.57/x
3. Step 3: Cross multiply
   2,525.42x = 3,783.36 × 1,430.57
4. Step 4: Simplify right side
   2,525.42x = 5,412,361.32
5. Step 5: Solve for x
   x = 5,412,361.32/2,525.42
6. Step 6: Final answer
   x = 2,143.15