Finding the Fourth Proportional to 112,581.96, 169,066.10 and 99,960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,581.96 : 169,066.10 = 99,960.22 : x
2. Step 2: Convert to fraction form
   112,581.96/169,066.10 = 99,960.22/x
3. Step 3: Cross multiply
   112,581.96x = 169,066.10 × 99,960.22
4. Step 4: Simplify right side
   112,581.96x = 16,899,884,550.54
5. Step 5: Solve for x
   x = 16,899,884,550.54/112,581.96
6. Step 6: Final answer
   x = 150,111.83