Finding the Fourth Proportional to 81,760.43, 112,756.59 and 53,052.68

Step by Step Solution

1. Step 1: Write the proportion equation
   81,760.43 : 112,756.59 = 53,052.68 : x
2. Step 2: Convert to fraction form
   81,760.43/112,756.59 = 53,052.68/x
3. Step 3: Cross multiply
   81,760.43x = 112,756.59 × 53,052.68
4. Step 4: Simplify right side
   81,760.43x = 5,982,039,569.05
5. Step 5: Solve for x
   x = 5,982,039,569.05/81,760.43
6. Step 6: Final answer
   x = 73,165.46