Finding the Fourth Proportional to 213,498.03, 320,235.50 and 108,314.27

Step by Step Solution

1. Step 1: Write the proportion equation
   213,498.03 : 320,235.50 = 108,314.27 : x
2. Step 2: Convert to fraction form
   213,498.03/320,235.50 = 108,314.27/x
3. Step 3: Cross multiply
   213,498.03x = 320,235.50 × 108,314.27
4. Step 4: Simplify right side
   213,498.03x = 34,686,072,267.84
5. Step 5: Solve for x
   x = 34,686,072,267.84/213,498.03
6. Step 6: Final answer
   x = 162,465.54