Finding the Fourth Proportional to 113,192.42, 169,788.45 and 30,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,192.42 : 169,788.45 = 30,086.42 : x
2. Step 2: Convert to fraction form
   113,192.42/169,788.45 = 30,086.42/x
3. Step 3: Cross multiply
   113,192.42x = 169,788.45 × 30,086.42
4. Step 4: Simplify right side
   113,192.42x = 5,108,326,617.85
5. Step 5: Solve for x
   x = 5,108,326,617.85/113,192.42
6. Step 6: Final answer
   x = 45,129.58