Finding the Fourth Proportional to 404,384.17, 606,554.38 and 123,902.23

Step by Step Solution

1. Step 1: Write the proportion equation
   404,384.17 : 606,554.38 = 123,902.23 : x
2. Step 2: Convert to fraction form
   404,384.17/606,554.38 = 123,902.23/x
3. Step 3: Cross multiply
   404,384.17x = 606,554.38 × 123,902.23
4. Step 4: Simplify right side
   404,384.17x = 75,153,440,298.27
5. Step 5: Solve for x
   x = 75,153,440,298.27/404,384.17
6. Step 6: Final answer
   x = 185,846.64