Finding the Fourth Proportional to 142,531.39, 196,714.18 and 82,090.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,531.39 : 196,714.18 = 82,090.27 : x
2. Step 2: Convert to fraction form
   142,531.39/196,714.18 = 82,090.27/x
3. Step 3: Cross multiply
   142,531.39x = 196,714.18 × 82,090.27
4. Step 4: Simplify right side
   142,531.39x = 16,148,319,759.86
5. Step 5: Solve for x
   x = 16,148,319,759.86/142,531.39
6. Step 6: Final answer
   x = 113,296.59