Finding the Fourth Proportional to 55,340.82, 82,579.61 and 49,376.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,340.82 : 82,579.61 = 49,376.72 : x
2. Step 2: Convert to fraction form
   55,340.82/82,579.61 = 49,376.72/x
3. Step 3: Cross multiply
   55,340.82x = 82,579.61 × 49,376.72
4. Step 4: Simplify right side
   55,340.82x = 4,077,510,610.57
5. Step 5: Solve for x
   x = 4,077,510,610.57/55,340.82
6. Step 6: Final answer
   x = 73,679.98