Finding the Fourth Proportional to 76,665.22, 105,796.89 and 42,673.67

Step by Step Solution

1. Step 1: Write the proportion equation
   76,665.22 : 105,796.89 = 42,673.67 : x
2. Step 2: Convert to fraction form
   76,665.22/105,796.89 = 42,673.67/x
3. Step 3: Cross multiply
   76,665.22x = 105,796.89 × 42,673.67
4. Step 4: Simplify right side
   76,665.22x = 4,514,741,380.50
5. Step 5: Solve for x
   x = 4,514,741,380.50/76,665.22
6. Step 6: Final answer
   x = 58,889.04