Finding the Fourth Proportional to 81,162.37, 112,006.56 and 45,353.89

Step by Step Solution

1. Step 1: Write the proportion equation
   81,162.37 : 112,006.56 = 45,353.89 : x
2. Step 2: Convert to fraction form
   81,162.37/112,006.56 = 45,353.89/x
3. Step 3: Cross multiply
   81,162.37x = 112,006.56 × 45,353.89
4. Step 4: Simplify right side
   81,162.37x = 5,079,933,201.52
5. Step 5: Solve for x
   x = 5,079,933,201.52/81,162.37
6. Step 6: Final answer
   x = 62,589.76