Finding the Fourth Proportional to 139,714.72, 192,806.36 and 76,052.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,714.72 : 192,806.36 = 76,052.96 : x
2. Step 2: Convert to fraction form
   139,714.72/192,806.36 = 76,052.96/x
3. Step 3: Cross multiply
   139,714.72x = 192,806.36 × 76,052.96
4. Step 4: Simplify right side
   139,714.72x = 14,663,494,384.83
5. Step 5: Solve for x
   x = 14,663,494,384.83/139,714.72
6. Step 6: Final answer
   x = 104,953.11