Finding the Fourth Proportional to 115,020.63, 158,719.37 and 64,029.51

Step by Step Solution

1. Step 1: Write the proportion equation
   115,020.63 : 158,719.37 = 64,029.51 : x
2. Step 2: Convert to fraction form
   115,020.63/158,719.37 = 64,029.51/x
3. Step 3: Cross multiply
   115,020.63x = 158,719.37 × 64,029.51
4. Step 4: Simplify right side
   115,020.63x = 10,162,723,168.46
5. Step 5: Solve for x
   x = 10,162,723,168.46/115,020.63
6. Step 6: Final answer
   x = 88,355.66