Finding the Fourth Proportional to 145,978.52, 201,457.25 and 82,314.95

Step by Step Solution

1. Step 1: Write the proportion equation
   145,978.52 : 201,457.25 = 82,314.95 : x
2. Step 2: Convert to fraction form
   145,978.52/201,457.25 = 82,314.95/x
3. Step 3: Cross multiply
   145,978.52x = 201,457.25 × 82,314.95
4. Step 4: Simplify right side
   145,978.52x = 16,582,942,659.39
5. Step 5: Solve for x
   x = 16,582,942,659.39/145,978.52
6. Step 6: Final answer
   x = 113,598.52