Finding the Fourth Proportional to 144,792.04, 199,792.74 and 81,124.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,792.04 : 199,792.74 = 81,124.84 : x
2. Step 2: Convert to fraction form
   144,792.04/199,792.74 = 81,124.84/x
3. Step 3: Cross multiply
   144,792.04x = 199,792.74 × 81,124.84
4. Step 4: Simplify right side
   144,792.04x = 16,208,154,065.66
5. Step 5: Solve for x
   x = 16,208,154,065.66/144,792.04
6. Step 6: Final answer
   x = 111,940.92