Finding the Fourth Proportional to 81,565.98, 112,576.42 and 53,222.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,565.98 : 112,576.42 = 53,222.46 : x
2. Step 2: Convert to fraction form
   81,565.98/112,576.42 = 53,222.46/x
3. Step 3: Cross multiply
   81,565.98x = 112,576.42 × 53,222.46
4. Step 4: Simplify right side
   81,565.98x = 5,991,594,010.39
5. Step 5: Solve for x
   x = 5,991,594,010.39/81,565.98
6. Step 6: Final answer
   x = 73,457.02