Finding the Fourth Proportional to 142,080.50, 213,124.59 and 43,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,080.50 : 213,124.59 = 43,584.50 : x
2. Step 2: Convert to fraction form
   142,080.50/213,124.59 = 43,584.50/x
3. Step 3: Cross multiply
   142,080.50x = 213,124.59 × 43,584.50
4. Step 4: Simplify right side
   142,080.50x = 9,288,928,692.86
5. Step 5: Solve for x
   x = 9,288,928,692.86/142,080.50
6. Step 6: Final answer
   x = 65,377.93