Finding the Fourth Proportional to 132,160.89, 182,533.38 and 87,040.56

Step by Step Solution

1. Step 1: Write the proportion equation
   132,160.89 : 182,533.38 = 87,040.56 : x
2. Step 2: Convert to fraction form
   132,160.89/182,533.38 = 87,040.56/x
3. Step 3: Cross multiply
   132,160.89x = 182,533.38 × 87,040.56
4. Step 4: Simplify right side
   132,160.89x = 15,887,807,613.89
5. Step 5: Solve for x
   x = 15,887,807,613.89/132,160.89
6. Step 6: Final answer
   x = 120,215.65