Finding the Fourth Proportional to 139,498.82, 192,500.19 and 75,836.06

Step by Step Solution

1. Step 1: Write the proportion equation
   139,498.82 : 192,500.19 = 75,836.06 : x
2. Step 2: Convert to fraction form
   139,498.82/192,500.19 = 75,836.06/x
3. Step 3: Cross multiply
   139,498.82x = 192,500.19 × 75,836.06
4. Step 4: Simplify right side
   139,498.82x = 14,598,454,996.35
5. Step 5: Solve for x
   x = 14,598,454,996.35/139,498.82
6. Step 6: Final answer
   x = 104,649.31