Finding the Fourth Proportional to 201,300.72, 301,777.56 and 82,898.16

Step by Step Solution

1. Step 1: Write the proportion equation
   201,300.72 : 301,777.56 = 82,898.16 : x
2. Step 2: Convert to fraction form
   201,300.72/301,777.56 = 82,898.16/x
3. Step 3: Cross multiply
   201,300.72x = 301,777.56 × 82,898.16
4. Step 4: Simplify right side
   201,300.72x = 25,016,804,453.29
5. Step 5: Solve for x
   x = 25,016,804,453.29/201,300.72
6. Step 6: Final answer
   x = 124,275.78