Finding the Fourth Proportional to 147,896.80, 204,139.46 and 87,488.45

Step by Step Solution

1. Step 1: Write the proportion equation
   147,896.80 : 204,139.46 = 87,488.45 : x
2. Step 2: Convert to fraction form
   147,896.80/204,139.46 = 87,488.45/x
3. Step 3: Cross multiply
   147,896.80x = 204,139.46 × 87,488.45
4. Step 4: Simplify right side
   147,896.80x = 17,859,843,481.10
5. Step 5: Solve for x
   x = 17,859,843,481.10/147,896.80
6. Step 6: Final answer
   x = 120,758.82