Finding the Fourth Proportional to 139,723.62, 192,819.33 and 76,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,723.62 : 192,819.33 = 76,061.94 : x
2. Step 2: Convert to fraction form
   139,723.62/192,819.33 = 76,061.94/x
3. Step 3: Cross multiply
   139,723.62x = 192,819.33 × 76,061.94
4. Step 4: Simplify right side
   139,723.62x = 14,666,212,309.30
5. Step 5: Solve for x
   x = 14,666,212,309.30/139,723.62
6. Step 6: Final answer
   x = 104,965.88