Finding the Fourth Proportional to 147,855, 204,039.90 and 80,787

Step by Step Solution

1. Step 1: Write the proportion equation
   147,855 : 204,039.90 = 80,787 : x
2. Step 2: Convert to fraction form
   147,855/204,039.90 = 80,787/x
3. Step 3: Cross multiply
   147,855x = 204,039.90 × 80,787
4. Step 4: Simplify right side
   147,855x = 16,483,771,401.30
5. Step 5: Solve for x
   x = 16,483,771,401.30/147,855
6. Step 6: Final answer
   x = 111,486.06