Finding the Fourth Proportional to 150,084.81, 207,116.96 and 82,101.76

Step by Step Solution

1. Step 1: Write the proportion equation
   150,084.81 : 207,116.96 = 82,101.76 : x
2. Step 2: Convert to fraction form
   150,084.81/207,116.96 = 82,101.76/x
3. Step 3: Cross multiply
   150,084.81x = 207,116.96 × 82,101.76
4. Step 4: Simplify right side
   150,084.81x = 17,004,666,013.55
5. Step 5: Solve for x
   x = 17,004,666,013.55/150,084.81
6. Step 6: Final answer
   x = 113,300.38