Finding the Fourth Proportional to 139,323.31, 192,147.73 and 93,994.09

Step by Step Solution

1. Step 1: Write the proportion equation
   139,323.31 : 192,147.73 = 93,994.09 : x
2. Step 2: Convert to fraction form
   139,323.31/192,147.73 = 93,994.09/x
3. Step 3: Cross multiply
   139,323.31x = 192,147.73 × 93,994.09
4. Step 4: Simplify right side
   139,323.31x = 18,060,751,026.92
5. Step 5: Solve for x
   x = 18,060,751,026.92/139,323.31
6. Step 6: Final answer
   x = 129,631.94