Finding the Fourth Proportional to 55,345.82, 82,587.06 and 49,381.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,345.82 : 82,587.06 = 49,381.72 : x
2. Step 2: Convert to fraction form
   55,345.82/82,587.06 = 49,381.72/x
3. Step 3: Cross multiply
   55,345.82x = 82,587.06 × 49,381.72
4. Step 4: Simplify right side
   55,345.82x = 4,078,291,072.54
5. Step 5: Solve for x
   x = 4,078,291,072.54/55,345.82
6. Step 6: Final answer
   x = 73,687.43