Finding the Fourth Proportional to 82,481.50, 113,917.72 and 55,577.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82,481.50 : 113,917.72 = 55,577.34 : x
2. Step 2: Convert to fraction form
   82,481.50/113,917.72 = 55,577.34/x
3. Step 3: Cross multiply
   82,481.50x = 113,917.72 × 55,577.34
4. Step 4: Simplify right side
   82,481.50x = 6,331,243,856.46
5. Step 5: Solve for x
   x = 6,331,243,856.46/82,481.50
6. Step 6: Final answer
   x = 76,759.56