Finding the Fourth Proportional to 5,173.38, 7,141.86 and 3,503.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,173.38 : 7,141.86 = 3,503.58 : x
2. Step 2: Convert to fraction form
   5,173.38/7,141.86 = 3,503.58/x
3. Step 3: Cross multiply
   5,173.38x = 7,141.86 × 3,503.58
4. Step 4: Simplify right side
   5,173.38x = 25,022,077.86
5. Step 5: Solve for x
   x = 25,022,077.86/5,173.38
6. Step 6: Final answer
   x = 4,836.70