Finding the Fourth Proportional to 112,995.45, 169,494.12 and 28,755.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,995.45 : 169,494.12 = 28,755.72 : x
2. Step 2: Convert to fraction form
   112,995.45/169,494.12 = 28,755.72/x
3. Step 3: Cross multiply
   112,995.45x = 169,494.12 × 28,755.72
4. Step 4: Simplify right side
   112,995.45x = 4,873,925,456.37
5. Step 5: Solve for x
   x = 4,873,925,456.37/112,995.45
6. Step 6: Final answer
   x = 43,133.82