Finding the Fourth Proportional to 143,087.10, 214,561.53 and 83,941.98

Step by Step Solution

1. Step 1: Write the proportion equation
   143,087.10 : 214,561.53 = 83,941.98 : x
2. Step 2: Convert to fraction form
   143,087.10/214,561.53 = 83,941.98/x
3. Step 3: Cross multiply
   143,087.10x = 214,561.53 × 83,941.98
4. Step 4: Simplify right side
   143,087.10x = 18,010,719,660.03
5. Step 5: Solve for x
   x = 18,010,719,660.03/143,087.10
6. Step 6: Final answer
   x = 125,872.42