Finding the Fourth Proportional to 55,976.72, 77,247.88 and 30,826.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,976.72 : 77,247.88 = 30,826.24 : x
2. Step 2: Convert to fraction form
   55,976.72/77,247.88 = 30,826.24/x
3. Step 3: Cross multiply
   55,976.72x = 77,247.88 × 30,826.24
4. Step 4: Simplify right side
   55,976.72x = 2,381,261,688.37
5. Step 5: Solve for x
   x = 2,381,261,688.37/55,976.72
6. Step 6: Final answer
   x = 42,540.21