Finding the Fourth Proportional to 150,037.05, 207,076.59 and 86,411.69

Step by Step Solution

1. Step 1: Write the proportion equation
   150,037.05 : 207,076.59 = 86,411.69 : x
2. Step 2: Convert to fraction form
   150,037.05/207,076.59 = 86,411.69/x
3. Step 3: Cross multiply
   150,037.05x = 207,076.59 × 86,411.69
4. Step 4: Simplify right side
   150,037.05x = 17,893,837,065.95
5. Step 5: Solve for x
   x = 17,893,837,065.95/150,037.05
6. Step 6: Final answer
   x = 119,262.79