Finding the Fourth Proportional to 142,744.56, 214,116.24 and 36,128.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,744.56 : 214,116.24 = 36,128.88 : x
2. Step 2: Convert to fraction form
   142,744.56/214,116.24 = 36,128.88/x
3. Step 3: Cross multiply
   142,744.56x = 214,116.24 × 36,128.88
4. Step 4: Simplify right side
   142,744.56x = 7,735,779,941.01
5. Step 5: Solve for x
   x = 7,735,779,941.01/142,744.56
6. Step 6: Final answer
   x = 54,193.17