Finding the Fourth Proportional to 7,976.37, 11,012.31 and 5,144.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,976.37 : 11,012.31 = 5,144.76 : x
2. Step 2: Convert to fraction form
   7,976.37/11,012.31 = 5,144.76/x
3. Step 3: Cross multiply
   7,976.37x = 11,012.31 × 5,144.76
4. Step 4: Simplify right side
   7,976.37x = 56,655,692.00
5. Step 5: Solve for x
   x = 56,655,692.00/7,976.37
6. Step 6: Final answer
   x = 7,102.94