Finding the Fourth Proportional to 55,183, 82,577.58 and 47,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,183 : 82,577.58 = 47,812.72 : x
2. Step 2: Convert to fraction form
   55,183/82,577.58 = 47,812.72/x
3. Step 3: Cross multiply
   55,183x = 82,577.58 × 47,812.72
4. Step 4: Simplify right side
   55,183x = 3,948,258,710.82
5. Step 5: Solve for x
   x = 3,948,258,710.82/55,183
6. Step 6: Final answer
   x = 71,548.46