Finding the Fourth Proportional to 150,096.81, 207,131.90 and 82,113.01

Step by Step Solution

1. Step 1: Write the proportion equation
   150,096.81 : 207,131.90 = 82,113.01 : x
2. Step 2: Convert to fraction form
   150,096.81/207,131.90 = 82,113.01/x
3. Step 3: Cross multiply
   150,096.81x = 207,131.90 × 82,113.01
4. Step 4: Simplify right side
   150,096.81x = 17,008,223,309.51
5. Step 5: Solve for x
   x = 17,008,223,309.51/150,096.81
6. Step 6: Final answer
   x = 113,315.02