Finding the Fourth Proportional to 593,196.69, 889,946.71 and 172,472.57

Step by Step Solution

1. Step 1: Write the proportion equation
   593,196.69 : 889,946.71 = 172,472.57 : x
2. Step 2: Convert to fraction form
   593,196.69/889,946.71 = 172,472.57/x
3. Step 3: Cross multiply
   593,196.69x = 889,946.71 × 172,472.57
4. Step 4: Simplify right side
   593,196.69x = 153,491,391,787.01
5. Step 5: Solve for x
   x = 153,491,391,787.01/593,196.69
6. Step 6: Final answer
   x = 258,752.95