Finding the Fourth Proportional to 82,621.37, 123,931.81 and 23,457.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,621.37 : 123,931.81 = 23,457.08 : x
2. Step 2: Convert to fraction form
   82,621.37/123,931.81 = 23,457.08/x
3. Step 3: Cross multiply
   82,621.37x = 123,931.81 × 23,457.08
4. Step 4: Simplify right side
   82,621.37x = 2,907,078,588.92
5. Step 5: Solve for x
   x = 2,907,078,588.92/82,621.37
6. Step 6: Final answer
   x = 35,185.55