Finding the Fourth Proportional to 113,856.32, 170,765.12 and 30,730.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,856.32 : 170,765.12 = 30,730.88 : x
2. Step 2: Convert to fraction form
   113,856.32/170,765.12 = 30,730.88/x
3. Step 3: Cross multiply
   113,856.32x = 170,765.12 × 30,730.88
4. Step 4: Simplify right side
   113,856.32x = 5,247,762,410.91
5. Step 5: Solve for x
   x = 5,247,762,410.91/113,856.32
6. Step 6: Final answer
   x = 46,091.09