Finding the Fourth Proportional to 452,404.82, 678,642.83 and 119,980.82

Step by Step Solution

1. Step 1: Write the proportion equation
   452,404.82 : 678,642.83 = 119,980.82 : x
2. Step 2: Convert to fraction form
   452,404.82/678,642.83 = 119,980.82/x
3. Step 3: Cross multiply
   452,404.82x = 678,642.83 × 119,980.82
4. Step 4: Simplify right side
   452,404.82x = 81,424,123,230.52
5. Step 5: Solve for x
   x = 81,424,123,230.52/452,404.82
6. Step 6: Final answer
   x = 179,980.67