Finding the Fourth Proportional to 194,499.48, 291,780.36 and 82,180.79

Step by Step Solution

1. Step 1: Write the proportion equation
   194,499.48 : 291,780.36 = 82,180.79 : x
2. Step 2: Convert to fraction form
   194,499.48/291,780.36 = 82,180.79/x
3. Step 3: Cross multiply
   194,499.48x = 291,780.36 × 82,180.79
4. Step 4: Simplify right side
   194,499.48x = 23,978,740,126.56
5. Step 5: Solve for x
   x = 23,978,740,126.56/194,499.48
6. Step 6: Final answer
   x = 123,284.34