Finding the Fourth Proportional to 606,079, 909,123.06 and 269,029.05

Step by Step Solution

1. Step 1: Write the proportion equation
   606,079 : 909,123.06 = 269,029.05 : x
2. Step 2: Convert to fraction form
   606,079/909,123.06 = 269,029.05/x
3. Step 3: Cross multiply
   606,079x = 909,123.06 × 269,029.05
4. Step 4: Simplify right side
   606,079x = 244,580,513,164.89
5. Step 5: Solve for x
   x = 244,580,513,164.89/606,079
6. Step 6: Final answer
   x = 403,545.60