Finding the Fourth Proportional to 150,424.71, 207,588.77 and 82,437.16

Step by Step Solution

1. Step 1: Write the proportion equation
   150,424.71 : 207,588.77 = 82,437.16 : x
2. Step 2: Convert to fraction form
   150,424.71/207,588.77 = 82,437.16/x
3. Step 3: Cross multiply
   150,424.71x = 207,588.77 × 82,437.16
4. Step 4: Simplify right side
   150,424.71x = 17,113,027,196.56
5. Step 5: Solve for x
   x = 17,113,027,196.56/150,424.71
6. Step 6: Final answer
   x = 113,764.73