Finding the Fourth Proportional to 51,162.53, 76,398.55 and 41,820.80

Step by Step Solution

1. Step 1: Write the proportion equation
   51,162.53 : 76,398.55 = 41,820.80 : x
2. Step 2: Convert to fraction form
   51,162.53/76,398.55 = 41,820.80/x
3. Step 3: Cross multiply
   51,162.53x = 76,398.55 × 41,820.80
4. Step 4: Simplify right side
   51,162.53x = 3,195,047,993.30
5. Step 5: Solve for x
   x = 3,195,047,993.30/51,162.53
6. Step 6: Final answer
   x = 62,448.99