Finding the Fourth Proportional to 2,783.58, 4,174.02 and 1,052.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.58 : 4,174.02 = 1,052.34 : x
2. Step 2: Convert to fraction form
   2,783.58/4,174.02 = 1,052.34/x
3. Step 3: Cross multiply
   2,783.58x = 4,174.02 × 1,052.34
4. Step 4: Simplify right side
   2,783.58x = 4,392,488.21
5. Step 5: Solve for x
   x = 4,392,488.21/2,783.58
6. Step 6: Final answer
   x = 1,578.00