Finding the Fourth Proportional to 104,894.83, 144,809.72 and 81,875.29

Step by Step Solution

1. Step 1: Write the proportion equation
   104,894.83 : 144,809.72 = 81,875.29 : x
2. Step 2: Convert to fraction form
   104,894.83/144,809.72 = 81,875.29/x
3. Step 3: Cross multiply
   104,894.83x = 144,809.72 × 81,875.29
4. Step 4: Simplify right side
   104,894.83x = 11,856,337,662.48
5. Step 5: Solve for x
   x = 11,856,337,662.48/104,894.83
6. Step 6: Final answer
   x = 113,030.72