Finding the Fourth Proportional to 105,130.05, 157,719.22 and 30,250.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,130.05 : 157,719.22 = 30,250.82 : x
2. Step 2: Convert to fraction form
   105,130.05/157,719.22 = 30,250.82/x
3. Step 3: Cross multiply
   105,130.05x = 157,719.22 × 30,250.82
4. Step 4: Simplify right side
   105,130.05x = 4,771,135,734.76
5. Step 5: Solve for x
   x = 4,771,135,734.76/105,130.05
6. Step 6: Final answer
   x = 45,383.18