Finding the Fourth Proportional to 322,940.19, 484,443.33 and 123,428.52

Step by Step Solution

1. Step 1: Write the proportion equation
   322,940.19 : 484,443.33 = 123,428.52 : x
2. Step 2: Convert to fraction form
   322,940.19/484,443.33 = 123,428.52/x
3. Step 3: Cross multiply
   322,940.19x = 484,443.33 × 123,428.52
4. Step 4: Simplify right side
   322,940.19x = 59,794,123,245.77
5. Step 5: Solve for x
   x = 59,794,123,245.77/322,940.19
6. Step 6: Final answer
   x = 185,155.41