Finding the Fourth Proportional to 133,072, 199,667.37 and 72,300.70

Step by Step Solution

1. Step 1: Write the proportion equation
   133,072 : 199,667.37 = 72,300.70 : x
2. Step 2: Convert to fraction form
   133,072/199,667.37 = 72,300.70/x
3. Step 3: Cross multiply
   133,072x = 199,667.37 × 72,300.70
4. Step 4: Simplify right side
   133,072x = 14,436,090,618.16
5. Step 5: Solve for x
   x = 14,436,090,618.16/133,072
6. Step 6: Final answer
   x = 108,483.31