Finding the Fourth Proportional to 82,102, 123,114.72 and 42,648.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,102 : 123,114.72 = 42,648.52 : x
2. Step 2: Convert to fraction form
   82,102/123,114.72 = 42,648.52/x
3. Step 3: Cross multiply
   82,102x = 123,114.72 × 42,648.52
4. Step 4: Simplify right side
   82,102x = 5,250,660,598.21
5. Step 5: Solve for x
   x = 5,250,660,598.21/82,102
6. Step 6: Final answer
   x = 63,952.90