Finding the Fourth Proportional to 132,323.78, 182,635.69 and 81,380.34

Step by Step Solution

1. Step 1: Write the proportion equation
   132,323.78 : 182,635.69 = 81,380.34 : x
2. Step 2: Convert to fraction form
   132,323.78/182,635.69 = 81,380.34/x
3. Step 3: Cross multiply
   132,323.78x = 182,635.69 × 81,380.34
4. Step 4: Simplify right side
   132,323.78x = 14,862,954,548.33
5. Step 5: Solve for x
   x = 14,862,954,548.33/132,323.78
6. Step 6: Final answer
   x = 112,322.63