Finding the Fourth Proportional to 139,849, 192,994.92 and 79,410.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,849 : 192,994.92 = 79,410.04 : x
2. Step 2: Convert to fraction form
   139,849/192,994.92 = 79,410.04/x
3. Step 3: Cross multiply
   139,849x = 192,994.92 × 79,410.04
4. Step 4: Simplify right side
   139,849x = 15,325,734,317.00
5. Step 5: Solve for x
   x = 15,325,734,317.00/139,849
6. Step 6: Final answer
   x = 109,587.73