Finding the Fourth Proportional to 112,581.82, 168,869.49 and 28,341.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,581.82 : 168,869.49 = 28,341.82 : x
2. Step 2: Convert to fraction form
   112,581.82/168,869.49 = 28,341.82/x
3. Step 3: Cross multiply
   112,581.82x = 168,869.49 × 28,341.82
4. Step 4: Simplify right side
   112,581.82x = 4,786,068,689.07
5. Step 5: Solve for x
   x = 4,786,068,689.07/112,581.82
6. Step 6: Final answer
   x = 42,511.91