Finding the Fourth Proportional to 82,173.42, 113,400.82 and 48,206.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,173.42 : 113,400.82 = 48,206.28 : x
2. Step 2: Convert to fraction form
   82,173.42/113,400.82 = 48,206.28/x
3. Step 3: Cross multiply
   82,173.42x = 113,400.82 × 48,206.28
4. Step 4: Simplify right side
   82,173.42x = 5,466,631,681.15
5. Step 5: Solve for x
   x = 5,466,631,681.15/82,173.42
6. Step 6: Final answer
   x = 66,525.55