Finding the Fourth Proportional to 133,401.15, 184,086.72 and 72,960.03

Step by Step Solution

1. Step 1: Write the proportion equation
   133,401.15 : 184,086.72 = 72,960.03 : x
2. Step 2: Convert to fraction form
   133,401.15/184,086.72 = 72,960.03/x
3. Step 3: Cross multiply
   133,401.15x = 184,086.72 × 72,960.03
4. Step 4: Simplify right side
   133,401.15x = 13,430,972,613.80
5. Step 5: Solve for x
   x = 13,430,972,613.80/133,401.15
6. Step 6: Final answer
   x = 100,681.09