Finding the Fourth Proportional to 113,110.38, 169,665.48 and 28,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,110.38 : 169,665.48 = 28,870.56 : x
2. Step 2: Convert to fraction form
   113,110.38/169,665.48 = 28,870.56/x
3. Step 3: Cross multiply
   113,110.38x = 169,665.48 × 28,870.56
4. Step 4: Simplify right side
   113,110.38x = 4,898,337,420.27
5. Step 5: Solve for x
   x = 4,898,337,420.27/113,110.38
6. Step 6: Final answer
   x = 43,305.82