Finding the Fourth Proportional to 323,978.86, 447,089.52 and 180,738.82

Step by Step Solution

1. Step 1: Write the proportion equation
   323,978.86 : 447,089.52 = 180,738.82 : x
2. Step 2: Convert to fraction form
   323,978.86/447,089.52 = 180,738.82/x
3. Step 3: Cross multiply
   323,978.86x = 447,089.52 × 180,738.82
4. Step 4: Simplify right side
   323,978.86x = 80,806,432,279.17
5. Step 5: Solve for x
   x = 80,806,432,279.17/323,978.86
6. Step 6: Final answer
   x = 249,418.84