Finding the Fourth Proportional to 113,150.98, 169,726.45 and 28,911.30

Step by Step Solution

1. Step 1: Write the proportion equation
   113,150.98 : 169,726.45 = 28,911.30 : x
2. Step 2: Convert to fraction form
   113,150.98/169,726.45 = 28,911.30/x
3. Step 3: Cross multiply
   113,150.98x = 169,726.45 × 28,911.30
4. Step 4: Simplify right side
   113,150.98x = 4,907,012,169.33
5. Step 5: Solve for x
   x = 4,907,012,169.33/113,150.98
6. Step 6: Final answer
   x = 43,366.94