Finding the Fourth Proportional to 115,151.91, 158,907.22 and 64,164.43

Step by Step Solution

1. Step 1: Write the proportion equation
   115,151.91 : 158,907.22 = 64,164.43 : x
2. Step 2: Convert to fraction form
   115,151.91/158,907.22 = 64,164.43/x
3. Step 3: Cross multiply
   115,151.91x = 158,907.22 × 64,164.43
4. Step 4: Simplify right side
   115,151.91x = 10,196,191,194.18
5. Step 5: Solve for x
   x = 10,196,191,194.18/115,151.91
6. Step 6: Final answer
   x = 88,545.57