Finding the Fourth Proportional to 143,113.22, 214,670.57 and 83,907.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,113.22 : 214,670.57 = 83,907.37 : x
2. Step 2: Convert to fraction form
   143,113.22/214,670.57 = 83,907.37/x
3. Step 3: Cross multiply
   143,113.22x = 214,670.57 × 83,907.37
4. Step 4: Simplify right side
   143,113.22x = 18,012,442,945.10
5. Step 5: Solve for x
   x = 18,012,442,945.10/143,113.22
6. Step 6: Final answer
   x = 125,861.49