Finding the Fourth Proportional to 81,756.72, 112,754.02 and 53,048.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,756.72 : 112,754.02 = 53,048.10 : x
2. Step 2: Convert to fraction form
   81,756.72/112,754.02 = 53,048.10/x
3. Step 3: Cross multiply
   81,756.72x = 112,754.02 × 53,048.10
4. Step 4: Simplify right side
   81,756.72x = 5,981,386,528.36
5. Step 5: Solve for x
   x = 5,981,386,528.36/81,756.72
6. Step 6: Final answer
   x = 73,160.79