Finding the Fourth Proportional to 83,627.48, 115,246.56 and 82,090.31

Step by Step Solution

1. Step 1: Write the proportion equation
   83,627.48 : 115,246.56 = 82,090.31 : x
2. Step 2: Convert to fraction form
   83,627.48/115,246.56 = 82,090.31/x
3. Step 3: Cross multiply
   83,627.48x = 115,246.56 × 82,090.31
4. Step 4: Simplify right side
   83,627.48x = 9,460,625,260.60
5. Step 5: Solve for x
   x = 9,460,625,260.60/83,627.48
6. Step 6: Final answer
   x = 113,128.18