Finding the Fourth Proportional to 115,009, 158,709.22 and 64,022.12

Step by Step Solution

1. Step 1: Write the proportion equation
   115,009 : 158,709.22 = 64,022.12 : x
2. Step 2: Convert to fraction form
   115,009/158,709.22 = 64,022.12/x
3. Step 3: Cross multiply
   115,009x = 158,709.22 × 64,022.12
4. Step 4: Simplify right side
   115,009x = 10,160,900,727.95
5. Step 5: Solve for x
   x = 10,160,900,727.95/115,009
6. Step 6: Final answer
   x = 88,348.74