Finding the Fourth Proportional to 139,723.38, 192,819.15 and 76,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,723.38 : 192,819.15 = 76,061.16 : x
2. Step 2: Convert to fraction form
   139,723.38/192,819.15 = 76,061.16/x
3. Step 3: Cross multiply
   139,723.38x = 192,819.15 × 76,061.16
4. Step 4: Simplify right side
   139,723.38x = 14,666,048,219.21
5. Step 5: Solve for x
   x = 14,666,048,219.21/139,723.38
6. Step 6: Final answer
   x = 104,964.88