Finding the Fourth Proportional to 247,152.78, 341,082.22 and 139,727.34

Step by Step Solution

1. Step 1: Write the proportion equation
   247,152.78 : 341,082.22 = 139,727.34 : x
2. Step 2: Convert to fraction form
   247,152.78/341,082.22 = 139,727.34/x
3. Step 3: Cross multiply
   247,152.78x = 341,082.22 × 139,727.34
4. Step 4: Simplify right side
   247,152.78x = 47,658,511,321.89
5. Step 5: Solve for x
   x = 47,658,511,321.89/247,152.78
6. Step 6: Final answer
   x = 192,830.16