Finding the Fourth Proportional to 139,376.72, 192,338.82 and 75,714.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,376.72 : 192,338.82 = 75,714.98 : x
2. Step 2: Convert to fraction form
   139,376.72/192,338.82 = 75,714.98/x
3. Step 3: Cross multiply
   139,376.72x = 192,338.82 × 75,714.98
4. Step 4: Simplify right side
   139,376.72x = 14,562,928,947.83
5. Step 5: Solve for x
   x = 14,562,928,947.83/139,376.72
6. Step 6: Final answer
   x = 104,486.09