Finding the Fourth Proportional to 50,173.78, 69,224.06 and 31,321.84

Step by Step Solution

1. Step 1: Write the proportion equation
   50,173.78 : 69,224.06 = 31,321.84 : x
2. Step 2: Convert to fraction form
   50,173.78/69,224.06 = 31,321.84/x
3. Step 3: Cross multiply
   50,173.78x = 69,224.06 × 31,321.84
4. Step 4: Simplify right side
   50,173.78x = 2,168,224,931.47
5. Step 5: Solve for x
   x = 2,168,224,931.47/50,173.78
6. Step 6: Final answer
   x = 43,214.30