Finding the Fourth Proportional to 113,208.53, 156,364.79 and 82,533.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,208.53 : 156,364.79 = 82,533.05 : x
2. Step 2: Convert to fraction form
   113,208.53/156,364.79 = 82,533.05/x
3. Step 3: Cross multiply
   113,208.53x = 156,364.79 × 82,533.05
4. Step 4: Simplify right side
   113,208.53x = 12,905,262,743.56
5. Step 5: Solve for x
   x = 12,905,262,743.56/113,208.53
6. Step 6: Final answer
   x = 113,995.50