Finding the Fourth Proportional to 113,274.72, 170,043.36 and 60,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,274.72 : 170,043.36 = 60,786.72 : x
2. Step 2: Convert to fraction form
   113,274.72/170,043.36 = 60,786.72/x
3. Step 3: Cross multiply
   113,274.72x = 170,043.36 × 60,786.72
4. Step 4: Simplify right side
   113,274.72x = 10,336,378,112.18
5. Step 5: Solve for x
   x = 10,336,378,112.18/113,274.72
6. Step 6: Final answer
   x = 91,250.53