Finding the Fourth Proportional to 82,478, 123,782.56 and 29,902.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,478 : 123,782.56 = 29,902.48 : x
2. Step 2: Convert to fraction form
   82,478/123,782.56 = 29,902.48/x
3. Step 3: Cross multiply
   82,478x = 123,782.56 × 29,902.48
4. Step 4: Simplify right side
   82,478x = 3,701,405,524.75
5. Step 5: Solve for x
   x = 3,701,405,524.75/82,478
6. Step 6: Final answer
   x = 44,877.49