Finding the Fourth Proportional to 59,327.04, 81,873.41 and 39,972.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,327.04 : 81,873.41 = 39,972.09 : x
2. Step 2: Convert to fraction form
   59,327.04/81,873.41 = 39,972.09/x
3. Step 3: Cross multiply
   59,327.04x = 81,873.41 × 39,972.09
4. Step 4: Simplify right side
   59,327.04x = 3,272,651,113.27
5. Step 5: Solve for x
   x = 3,272,651,113.27/59,327.04
6. Step 6: Final answer
   x = 55,162.89