Finding the Fourth Proportional to 84,441, 116,518.45 and 48,642.65

Step by Step Solution

1. Step 1: Write the proportion equation
   84,441 : 116,518.45 = 48,642.65 : x
2. Step 2: Convert to fraction form
   84,441/116,518.45 = 48,642.65/x
3. Step 3: Cross multiply
   84,441x = 116,518.45 × 48,642.65
4. Step 4: Simplify right side
   84,441x = 5,667,766,181.89
5. Step 5: Solve for x
   x = 5,667,766,181.89/84,441
6. Step 6: Final answer
   x = 67,121.02