Finding the Fourth Proportional to 81,756.22, 112,753.33 and 53,047.60

Step by Step Solution

1. Step 1: Write the proportion equation
   81,756.22 : 112,753.33 = 53,047.60 : x
2. Step 2: Convert to fraction form
   81,756.22/112,753.33 = 53,047.60/x
3. Step 3: Cross multiply
   81,756.22x = 112,753.33 × 53,047.60
4. Step 4: Simplify right side
   81,756.22x = 5,981,293,548.51
5. Step 5: Solve for x
   x = 5,981,293,548.51/81,756.22
6. Step 6: Final answer
   x = 73,160.10