Finding the Fourth Proportional to 3,515.42, 5,274.01 and 1,050.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515.42 : 5,274.01 = 1,050.23 : x
2. Step 2: Convert to fraction form
   3,515.42/5,274.01 = 1,050.23/x
3. Step 3: Cross multiply
   3,515.42x = 5,274.01 × 1,050.23
4. Step 4: Simplify right side
   3,515.42x = 5,538,923.52
5. Step 5: Solve for x
   x = 5,538,923.52/3,515.42
6. Step 6: Final answer
   x = 1,575.61