Finding the Fourth Proportional to 144,688.10, 216,902.55 and 94,792.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,688.10 : 216,902.55 = 94,792.10 : x
2. Step 2: Convert to fraction form
   144,688.10/216,902.55 = 94,792.10/x
3. Step 3: Cross multiply
   144,688.10x = 216,902.55 × 94,792.10
4. Step 4: Simplify right side
   144,688.10x = 20,560,648,209.86
5. Step 5: Solve for x
   x = 20,560,648,209.86/144,688.10
6. Step 6: Final answer
   x = 142,103.24