Finding the Fourth Proportional to 55,342.82, 82,582.59 and 49,378.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,342.82 : 82,582.59 = 49,378.72 : x
2. Step 2: Convert to fraction form
   55,342.82/82,582.59 = 49,378.72/x
3. Step 3: Cross multiply
   55,342.82x = 82,582.59 × 49,378.72
4. Step 4: Simplify right side
   55,342.82x = 4,077,822,588.48
5. Step 5: Solve for x
   x = 4,077,822,588.48/55,342.82
6. Step 6: Final answer
   x = 73,682.96