Finding the Fourth Proportional to 133,096.06, 183,667.74 and 72,665.59

Step by Step Solution

1. Step 1: Write the proportion equation
   133,096.06 : 183,667.74 = 72,665.59 : x
2. Step 2: Convert to fraction form
   133,096.06/183,667.74 = 72,665.59/x
3. Step 3: Cross multiply
   133,096.06x = 183,667.74 × 72,665.59
4. Step 4: Simplify right side
   133,096.06x = 13,346,324,691.07
5. Step 5: Solve for x
   x = 13,346,324,691.07/133,096.06
6. Step 6: Final answer
   x = 100,275.88