Finding the Fourth Proportional to 113,072.37, 169,623.72 and 59,790.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,072.37 : 169,623.72 = 59,790.12 : x
2. Step 2: Convert to fraction form
   113,072.37/169,623.72 = 59,790.12/x
3. Step 3: Cross multiply
   113,072.37x = 169,623.72 × 59,790.12
4. Step 4: Simplify right side
   113,072.37x = 10,141,822,573.65
5. Step 5: Solve for x
   x = 10,141,822,573.65/113,072.37
6. Step 6: Final answer
   x = 89,693.20