Finding the Fourth Proportional to 139,543.86, 209,315.88 and 114,819.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,543.86 : 209,315.88 = 114,819.96 : x
2. Step 2: Convert to fraction form
   139,543.86/209,315.88 = 114,819.96/x
3. Step 3: Cross multiply
   139,543.86x = 209,315.88 × 114,819.96
4. Step 4: Simplify right side
   139,543.86x = 24,033,640,968.96
5. Step 5: Solve for x
   x = 24,033,640,968.96/139,543.86
6. Step 6: Final answer
   x = 172,230.01