Finding the Fourth Proportional to 140,098.82, 210,147.69 and 83,955.83

Step by Step Solution

1. Step 1: Write the proportion equation
   140,098.82 : 210,147.69 = 83,955.83 : x
2. Step 2: Convert to fraction form
   140,098.82/210,147.69 = 83,955.83/x
3. Step 3: Cross multiply
   140,098.82x = 210,147.69 × 83,955.83
4. Step 4: Simplify right side
   140,098.82x = 17,643,123,736.53
5. Step 5: Solve for x
   x = 17,643,123,736.53/140,098.82
6. Step 6: Final answer
   x = 125,933.42