Finding the Fourth Proportional to 139,175.89, 192,219.20 and 93,774.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,175.89 : 192,219.20 = 93,774.37 : x
2. Step 2: Convert to fraction form
   139,175.89/192,219.20 = 93,774.37/x
3. Step 3: Cross multiply
   139,175.89x = 192,219.20 × 93,774.37
4. Step 4: Simplify right side
   139,175.89x = 18,025,234,381.90
5. Step 5: Solve for x
   x = 18,025,234,381.90/139,175.89
6. Step 6: Final answer
   x = 129,514.06