Finding the Fourth Proportional to 404,719.75, 607,109.06 and 155,401.75

Step by Step Solution

1. Step 1: Write the proportion equation
   404,719.75 : 607,109.06 = 155,401.75 : x
2. Step 2: Convert to fraction form
   404,719.75/607,109.06 = 155,401.75/x
3. Step 3: Cross multiply
   404,719.75x = 607,109.06 × 155,401.75
4. Step 4: Simplify right side
   404,719.75x = 94,345,810,364.86
5. Step 5: Solve for x
   x = 94,345,810,364.86/404,719.75
6. Step 6: Final answer
   x = 233,113.93