Finding the Fourth Proportional to 143,271.35, 214,611.69 and 83,927.12

Step by Step Solution

1. Step 1: Write the proportion equation
   143,271.35 : 214,611.69 = 83,927.12 : x
2. Step 2: Convert to fraction form
   143,271.35/214,611.69 = 83,927.12/x
3. Step 3: Cross multiply
   143,271.35x = 214,611.69 × 83,927.12
4. Step 4: Simplify right side
   143,271.35x = 18,011,741,060.03
5. Step 5: Solve for x
   x = 18,011,741,060.03/143,271.35
6. Step 6: Final answer
   x = 125,717.68