Finding the Fourth Proportional to 143,293.48, 214,610.67 and 83,173.06

Step by Step Solution

1. Step 1: Write the proportion equation
   143,293.48 : 214,610.67 = 83,173.06 : x
2. Step 2: Convert to fraction form
   143,293.48/214,610.67 = 83,173.06/x
3. Step 3: Cross multiply
   143,293.48x = 214,610.67 × 83,173.06
4. Step 4: Simplify right side
   143,293.48x = 17,849,826,357.18
5. Step 5: Solve for x
   x = 17,849,826,357.18/143,293.48
6. Step 6: Final answer
   x = 124,568.30