Finding the Fourth Proportional to 124,096.32, 185,996.52 and 86,452.56

Step by Step Solution

1. Step 1: Write the proportion equation
   124,096.32 : 185,996.52 = 86,452.56 : x
2. Step 2: Convert to fraction form
   124,096.32/185,996.52 = 86,452.56/x
3. Step 3: Cross multiply
   124,096.32x = 185,996.52 × 86,452.56
4. Step 4: Simplify right side
   124,096.32x = 16,079,875,305.09
5. Step 5: Solve for x
   x = 16,079,875,305.09/124,096.32
6. Step 6: Final answer
   x = 129,575.76