Finding the Fourth Proportional to 113,742.72, 170,621.04 and 34,857.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,742.72 : 170,621.04 = 34,857.72 : x
2. Step 2: Convert to fraction form
   113,742.72/170,621.04 = 34,857.72/x
3. Step 3: Cross multiply
   113,742.72x = 170,621.04 × 34,857.72
4. Step 4: Simplify right side
   113,742.72x = 5,947,460,438.43
5. Step 5: Solve for x
   x = 5,947,460,438.43/113,742.72
6. Step 6: Final answer
   x = 52,288.71