Finding the Fourth Proportional to 314,404.78, 433,886.37 and 171,172.69

Step by Step Solution

1. Step 1: Write the proportion equation
   314,404.78 : 433,886.37 = 171,172.69 : x
2. Step 2: Convert to fraction form
   314,404.78/433,886.37 = 171,172.69/x
3. Step 3: Cross multiply
   314,404.78x = 433,886.37 × 171,172.69
4. Step 4: Simplify right side
   314,404.78x = 74,269,497,107.24
5. Step 5: Solve for x
   x = 74,269,497,107.24/314,404.78
6. Step 6: Final answer
   x = 236,222.54