Finding the Fourth Proportional to 105,095.68, 144,981.92 and 71,116.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,095.68 : 144,981.92 = 71,116.08 : x
2. Step 2: Convert to fraction form
   105,095.68/144,981.92 = 71,116.08/x
3. Step 3: Cross multiply
   105,095.68x = 144,981.92 × 71,116.08
4. Step 4: Simplify right side
   105,095.68x = 10,310,545,821.27
5. Step 5: Solve for x
   x = 10,310,545,821.27/105,095.68
6. Step 6: Final answer
   x = 98,106.28