Finding the Fourth Proportional to 132,399.63, 182,713.61 and 71,970.39

Step by Step Solution

1. Step 1: Write the proportion equation
   132,399.63 : 182,713.61 = 71,970.39 : x
2. Step 2: Convert to fraction form
   132,399.63/182,713.61 = 71,970.39/x
3. Step 3: Cross multiply
   132,399.63x = 182,713.61 × 71,970.39
4. Step 4: Simplify right side
   132,399.63x = 13,149,969,410.16
5. Step 5: Solve for x
   x = 13,149,969,410.16/132,399.63
6. Step 6: Final answer
   x = 99,320.29