Finding the Fourth Proportional to 404,338.62, 606,624.57 and 123,897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   404,338.62 : 606,624.57 = 123,897.18 : x
2. Step 2: Convert to fraction form
   404,338.62/606,624.57 = 123,897.18/x
3. Step 3: Cross multiply
   404,338.62x = 606,624.57 × 123,897.18
4. Step 4: Simplify right side
   404,338.62x = 75,159,073,541.71
5. Step 5: Solve for x
   x = 75,159,073,541.71/404,338.62
6. Step 6: Final answer
   x = 185,881.51