Finding the Fourth Proportional to 112,172,162.48, 154,823,412.23 and 65,777,363.18

Step by Step Solution

1. Step 1: Write the proportion equation
   112,172,162.48 : 154,823,412.23 = 65,777,363.18 : x
2. Step 2: Convert to fraction form
   112,172,162.48/154,823,412.23 = 65,777,363.18/x
3. Step 3: Cross multiply
   112,172,162.48x = 154,823,412.23 × 65,777,363.18
4. Step 4: Simplify right side
   112,172,162.48x = 10,183,875,813,916,558
5. Step 5: Solve for x
   x = 10,183,875,813,916,558/112,172,162.48
6. Step 6: Final answer
   x = 90,787,906.64