Finding the Fourth Proportional to 316,477.47, 436,743.72 and 173,250.84

Step by Step Solution

1. Step 1: Write the proportion equation
   316,477.47 : 436,743.72 = 173,250.84 : x
2. Step 2: Convert to fraction form
   316,477.47/436,743.72 = 173,250.84/x
3. Step 3: Cross multiply
   316,477.47x = 436,743.72 × 173,250.84
4. Step 4: Simplify right side
   316,477.47x = 75,666,216,354.72
5. Step 5: Solve for x
   x = 75,666,216,354.72/316,477.47
6. Step 6: Final answer
   x = 239,088.79