Finding the Fourth Proportional to 115,205.52, 158,984.82 and 64,222.71

Step by Step Solution

1. Step 1: Write the proportion equation
   115,205.52 : 158,984.82 = 64,222.71 : x
2. Step 2: Convert to fraction form
   115,205.52/158,984.82 = 64,222.71/x
3. Step 3: Cross multiply
   115,205.52x = 158,984.82 × 64,222.71
4. Step 4: Simplify right side
   115,205.52x = 10,210,435,515.59
5. Step 5: Solve for x
   x = 10,210,435,515.59/115,205.52
6. Step 6: Final answer
   x = 88,628.00