Finding the Fourth Proportional to 5,196.83, 7,155.01 and 4,205.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.83 : 7,155.01 = 4,205.39 : x
2. Step 2: Convert to fraction form
   5,196.83/7,155.01 = 4,205.39/x
3. Step 3: Cross multiply
   5,196.83x = 7,155.01 × 4,205.39
4. Step 4: Simplify right side
   5,196.83x = 30,089,607.50
5. Step 5: Solve for x
   x = 30,089,607.50/5,196.83
6. Step 6: Final answer
   x = 5,789.99