Finding the Fourth Proportional to 86,808, 119,580.72 and 74,019.54

Step by Step Solution

1. Step 1: Write the proportion equation
   86,808 : 119,580.72 = 74,019.54 : x
2. Step 2: Convert to fraction form
   86,808/119,580.72 = 74,019.54/x
3. Step 3: Cross multiply
   86,808x = 119,580.72 × 74,019.54
4. Step 4: Simplify right side
   86,808x = 8,851,309,887.27
5. Step 5: Solve for x
   x = 8,851,309,887.27/86,808
6. Step 6: Final answer
   x = 101,964.22