Finding the Fourth Proportional to 5,601.15, 7,723.86 and 3,712.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,601.15 : 7,723.86 = 3,712.08 : x
2. Step 2: Convert to fraction form
   5,601.15/7,723.86 = 3,712.08/x
3. Step 3: Cross multiply
   5,601.15x = 7,723.86 × 3,712.08
4. Step 4: Simplify right side
   5,601.15x = 28,671,557.83
5. Step 5: Solve for x
   x = 28,671,557.83/5,601.15
6. Step 6: Final answer
   x = 5,118.87