Finding the Fourth Proportional to 132,736.56, 183,173.90 and 72,306.52

Step by Step Solution

1. Step 1: Write the proportion equation
   132,736.56 : 183,173.90 = 72,306.52 : x
2. Step 2: Convert to fraction form
   132,736.56/183,173.90 = 72,306.52/x
3. Step 3: Cross multiply
   132,736.56x = 183,173.90 × 72,306.52
4. Step 4: Simplify right side
   132,736.56x = 13,244,667,263.83
5. Step 5: Solve for x
   x = 13,244,667,263.83/132,736.56
6. Step 6: Final answer
   x = 99,781.61