Finding the Fourth Proportional to 139,665.28, 192,737.73 and 76,003.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,665.28 : 192,737.73 = 76,003.06 : x
2. Step 2: Convert to fraction form
   139,665.28/192,737.73 = 76,003.06/x
3. Step 3: Cross multiply
   139,665.28x = 192,737.73 × 76,003.06
4. Step 4: Simplify right side
   139,665.28x = 14,648,657,257.45
5. Step 5: Solve for x
   x = 14,648,657,257.45/139,665.28
6. Step 6: Final answer
   x = 104,884.03