Finding the Fourth Proportional to 145,978.29, 201,450.06 and 82,316.10

Step by Step Solution

1. Step 1: Write the proportion equation
   145,978.29 : 201,450.06 = 82,316.10 : x
2. Step 2: Convert to fraction form
   145,978.29/201,450.06 = 82,316.10/x
3. Step 3: Cross multiply
   145,978.29x = 201,450.06 × 82,316.10
4. Step 4: Simplify right side
   145,978.29x = 16,582,583,283.97
5. Step 5: Solve for x
   x = 16,582,583,283.97/145,978.29
6. Step 6: Final answer
   x = 113,596.23