Finding the Fourth Proportional to 143,271.81, 214,830.50 and 109,909.53

Step by Step Solution

1. Step 1: Write the proportion equation
   143,271.81 : 214,830.50 = 109,909.53 : x
2. Step 2: Convert to fraction form
   143,271.81/214,830.50 = 109,909.53/x
3. Step 3: Cross multiply
   143,271.81x = 214,830.50 × 109,909.53
4. Step 4: Simplify right side
   143,271.81x = 23,611,918,735.12
5. Step 5: Solve for x
   x = 23,611,918,735.12/143,271.81
6. Step 6: Final answer
   x = 164,805.06