Finding the Fourth Proportional to 131,936.10, 182,112.06 and 105,261.98

Step by Step Solution

1. Step 1: Write the proportion equation
   131,936.10 : 182,112.06 = 105,261.98 : x
2. Step 2: Convert to fraction form
   131,936.10/182,112.06 = 105,261.98/x
3. Step 3: Cross multiply
   131,936.10x = 182,112.06 × 105,261.98
4. Step 4: Simplify right side
   131,936.10x = 19,169,476,017.48
5. Step 5: Solve for x
   x = 19,169,476,017.48/131,936.10
6. Step 6: Final answer
   x = 145,293.64