Finding the Fourth Proportional to 112,981.24, 156,120.41 and 82,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,981.24 : 156,120.41 = 82,300.94 : x
2. Step 2: Convert to fraction form
   112,981.24/156,120.41 = 82,300.94/x
3. Step 3: Cross multiply
   112,981.24x = 156,120.41 × 82,300.94
4. Step 4: Simplify right side
   112,981.24x = 12,848,855,921.34
5. Step 5: Solve for x
   x = 12,848,855,921.34/112,981.24
6. Step 6: Final answer
   x = 113,725.57