Finding the Fourth Proportional to 113,440.48, 170,147.72 and 30,340.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,440.48 : 170,147.72 = 30,340.96 : x
2. Step 2: Convert to fraction form
   113,440.48/170,147.72 = 30,340.96/x
3. Step 3: Cross multiply
   113,440.48x = 170,147.72 × 30,340.96
4. Step 4: Simplify right side
   113,440.48x = 5,162,445,166.61
5. Step 5: Solve for x
   x = 5,162,445,166.61/113,440.48
6. Step 6: Final answer
   x = 45,507.96