Finding the Fourth Proportional to 2,783.34, 4,173.39 and 1,052.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.34 : 4,173.39 = 1,052.10 : x
2. Step 2: Convert to fraction form
   2,783.34/4,173.39 = 1,052.10/x
3. Step 3: Cross multiply
   2,783.34x = 4,173.39 × 1,052.10
4. Step 4: Simplify right side
   2,783.34x = 4,390,823.62
5. Step 5: Solve for x
   x = 4,390,823.62/2,783.34
6. Step 6: Final answer
   x = 1,577.54