Finding the Fourth Proportional to 113,523.63, 156,667.46 and 63,222.63

Step by Step Solution

1. Step 1: Write the proportion equation
   113,523.63 : 156,667.46 = 63,222.63 : x
2. Step 2: Convert to fraction form
   113,523.63/156,667.46 = 63,222.63/x
3. Step 3: Cross multiply
   113,523.63x = 156,667.46 × 63,222.63
4. Step 4: Simplify right side
   113,523.63x = 9,904,928,856.62
5. Step 5: Solve for x
   x = 9,904,928,856.62/113,523.63
6. Step 6: Final answer
   x = 87,249.93