Finding the Fourth Proportional to 133,096.39, 183,670.34 and 72,667.53

Step by Step Solution

1. Step 1: Write the proportion equation
   133,096.39 : 183,670.34 = 72,667.53 : x
2. Step 2: Convert to fraction form
   133,096.39/183,670.34 = 72,667.53/x
3. Step 3: Cross multiply
   133,096.39x = 183,670.34 × 72,667.53
4. Step 4: Simplify right side
   133,096.39x = 13,346,869,578.72
5. Step 5: Solve for x
   x = 13,346,869,578.72/133,096.39
6. Step 6: Final answer
   x = 100,279.73