Finding the Fourth Proportional to 5,111.94, 7,655.76 and 3,158.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.94 : 7,655.76 = 3,158.22 : x
2. Step 2: Convert to fraction form
   5,111.94/7,655.76 = 3,158.22/x
3. Step 3: Cross multiply
   5,111.94x = 7,655.76 × 3,158.22
4. Step 4: Simplify right side
   5,111.94x = 24,178,574.35
5. Step 5: Solve for x
   x = 24,178,574.35/5,111.94
6. Step 6: Final answer
   x = 4,729.82