Finding the Fourth Proportional to 114,661.72, 158,224.50 and 64,351

Step by Step Solution

1. Step 1: Write the proportion equation
   114,661.72 : 158,224.50 = 64,351 : x
2. Step 2: Convert to fraction form
   114,661.72/158,224.50 = 64,351/x
3. Step 3: Cross multiply
   114,661.72x = 158,224.50 × 64,351
4. Step 4: Simplify right side
   114,661.72x = 10,181,904,799.50
5. Step 5: Solve for x
   x = 10,181,904,799.50/114,661.72
6. Step 6: Final answer
   x = 88,799.51