Finding the Fourth Proportional to 5,104.05, 7,645.82 and 3,720.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,104.05 : 7,645.82 = 3,720.32 : x
2. Step 2: Convert to fraction form
   5,104.05/7,645.82 = 3,720.32/x
3. Step 3: Cross multiply
   5,104.05x = 7,645.82 × 3,720.32
4. Step 4: Simplify right side
   5,104.05x = 28,444,840.23
5. Step 5: Solve for x
   x = 28,444,840.23/5,104.05
6. Step 6: Final answer
   x = 5,572.99