Finding the Fourth Proportional to 108,540.70, 162,592.35 and 73,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,540.70 : 162,592.35 = 73,111.30 : x
2. Step 2: Convert to fraction form
   108,540.70/162,592.35 = 73,111.30/x
3. Step 3: Cross multiply
   108,540.70x = 162,592.35 × 73,111.30
4. Step 4: Simplify right side
   108,540.70x = 11,887,338,078.56
5. Step 5: Solve for x
   x = 11,887,338,078.56/108,540.70
6. Step 6: Final answer
   x = 109,519.64