Finding the Fourth Proportional to 113,142.72, 169,574.72 and 46,541.28

Step by Step Solution

1. Step 1: Write the proportion equation
   113,142.72 : 169,574.72 = 46,541.28 : x
2. Step 2: Convert to fraction form
   113,142.72/169,574.72 = 46,541.28/x
3. Step 3: Cross multiply
   113,142.72x = 169,574.72 × 46,541.28
4. Step 4: Simplify right side
   113,142.72x = 7,892,224,524.44
5. Step 5: Solve for x
   x = 7,892,224,524.44/113,142.72
6. Step 6: Final answer
   x = 69,754.59