Finding the Fourth Proportional to 132,974.82, 183,505.68 and 72,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   132,974.82 : 183,505.68 = 72,546.72 : x
2. Step 2: Convert to fraction form
   132,974.82/183,505.68 = 72,546.72/x
3. Step 3: Cross multiply
   132,974.82x = 183,505.68 × 72,546.72
4. Step 4: Simplify right side
   132,974.82x = 13,312,735,185.37
5. Step 5: Solve for x
   x = 13,312,735,185.37/132,974.82
6. Step 6: Final answer
   x = 100,114.71