Finding the Fourth Proportional to 108,345.30, 162,453.15 and 55,857.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,345.30 : 162,453.15 = 55,857.30 : x
2. Step 2: Convert to fraction form
   108,345.30/162,453.15 = 55,857.30/x
3. Step 3: Cross multiply
   108,345.30x = 162,453.15 × 55,857.30
4. Step 4: Simplify right side
   108,345.30x = 9,074,194,335.50
5. Step 5: Solve for x
   x = 9,074,194,335.50/108,345.30
6. Step 6: Final answer
   x = 83,752.54