Finding the Fourth Proportional to 311,022.40, 429,150.72 and 175,038.24

Step by Step Solution

1. Step 1: Write the proportion equation
   311,022.40 : 429,150.72 = 175,038.24 : x
2. Step 2: Convert to fraction form
   311,022.40/429,150.72 = 175,038.24/x
3. Step 3: Cross multiply
   311,022.40x = 429,150.72 × 175,038.24
4. Step 4: Simplify right side
   311,022.40x = 75,117,786,723.53
5. Step 5: Solve for x
   x = 75,117,786,723.53/311,022.40
6. Step 6: Final answer
   x = 241,518.90