Finding the Fourth Proportional to 115,451.89, 159,322.03 and 64,465.47

Step by Step Solution

1. Step 1: Write the proportion equation
   115,451.89 : 159,322.03 = 64,465.47 : x
2. Step 2: Convert to fraction form
   115,451.89/159,322.03 = 64,465.47/x
3. Step 3: Cross multiply
   115,451.89x = 159,322.03 × 64,465.47
4. Step 4: Simplify right side
   115,451.89x = 10,270,769,545.30
5. Step 5: Solve for x
   x = 10,270,769,545.30/115,451.89
6. Step 6: Final answer
   x = 88,961.47