Finding the Fourth Proportional to 115,142.22, 172,736.61 and 48,582.51

Step by Step Solution

1. Step 1: Write the proportion equation
   115,142.22 : 172,736.61 = 48,582.51 : x
2. Step 2: Convert to fraction form
   115,142.22/172,736.61 = 48,582.51/x
3. Step 3: Cross multiply
   115,142.22x = 172,736.61 × 48,582.51
4. Step 4: Simplify right side
   115,142.22x = 8,391,978,082.69
5. Step 5: Solve for x
   x = 8,391,978,082.69/115,142.22
6. Step 6: Final answer
   x = 72,883.59