Finding the Fourth Proportional to 82,449.50, 113,783.10 and 48,457.49

Step by Step Solution

1. Step 1: Write the proportion equation
   82,449.50 : 113,783.10 = 48,457.49 : x
2. Step 2: Convert to fraction form
   82,449.50/113,783.10 = 48,457.49/x
3. Step 3: Cross multiply
   82,449.50x = 113,783.10 × 48,457.49
4. Step 4: Simplify right side
   82,449.50x = 5,513,643,319.82
5. Step 5: Solve for x
   x = 5,513,643,319.82/82,449.50
6. Step 6: Final answer
   x = 66,872.98