Finding the Fourth Proportional to 132,942.88, 183,457.83 and 72,514.90

Step by Step Solution

1. Step 1: Write the proportion equation
   132,942.88 : 183,457.83 = 72,514.90 : x
2. Step 2: Convert to fraction form
   132,942.88/183,457.83 = 72,514.90/x
3. Step 3: Cross multiply
   132,942.88x = 183,457.83 × 72,514.90
4. Step 4: Simplify right side
   132,942.88x = 13,303,426,196.67
5. Step 5: Solve for x
   x = 13,303,426,196.67/132,942.88
6. Step 6: Final answer
   x = 100,068.74