Finding the Fourth Proportional to 126,936.69, 190,533.17 and 55,890.98

Step by Step Solution

1. Step 1: Write the proportion equation
   126,936.69 : 190,533.17 = 55,890.98 : x
2. Step 2: Convert to fraction form
   126,936.69/190,533.17 = 55,890.98/x
3. Step 3: Cross multiply
   126,936.69x = 190,533.17 × 55,890.98
4. Step 4: Simplify right side
   126,936.69x = 10,649,084,361.69
5. Step 5: Solve for x
   x = 10,649,084,361.69/126,936.69
6. Step 6: Final answer
   x = 83,892.88