Finding the Fourth Proportional to 132,947.42, 183,468.01 and 72,519.38

Step by Step Solution

1. Step 1: Write the proportion equation
   132,947.42 : 183,468.01 = 72,519.38 : x
2. Step 2: Convert to fraction form
   132,947.42/183,468.01 = 72,519.38/x
3. Step 3: Cross multiply
   132,947.42x = 183,468.01 × 72,519.38
4. Step 4: Simplify right side
   132,947.42x = 13,304,986,335.03
5. Step 5: Solve for x
   x = 13,304,986,335.03/132,947.42
6. Step 6: Final answer
   x = 100,077.06