Finding the Fourth Proportional to 140,019.00, 193,218.62 and 79,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,019.00 : 193,218.62 = 79,581.25 : x
2. Step 2: Convert to fraction form
   140,019.00/193,218.62 = 79,581.25/x
3. Step 3: Cross multiply
   140,019.00x = 193,218.62 × 79,581.25
4. Step 4: Simplify right side
   140,019.00x = 15,376,579,146.49
5. Step 5: Solve for x
   x = 15,376,579,146.49/140,019.00
6. Step 6: Final answer
   x = 109,817.81