Finding the Fourth Proportional to 113,633.72, 170,500.79 and 59,585.49

Step by Step Solution

1. Step 1: Write the proportion equation
   113,633.72 : 170,500.79 = 59,585.49 : x
2. Step 2: Convert to fraction form
   113,633.72/170,500.79 = 59,585.49/x
3. Step 3: Cross multiply
   113,633.72x = 170,500.79 × 59,585.49
4. Step 4: Simplify right side
   113,633.72x = 10,159,372,819.61
5. Step 5: Solve for x
   x = 10,159,372,819.61/113,633.72
6. Step 6: Final answer
   x = 89,404.56