Finding the Fourth Proportional to 203,300.56, 280,556.42 and 112,658.04

Step by Step Solution

1. Step 1: Write the proportion equation
   203,300.56 : 280,556.42 = 112,658.04 : x
2. Step 2: Convert to fraction form
   203,300.56/280,556.42 = 112,658.04/x
3. Step 3: Cross multiply
   203,300.56x = 280,556.42 × 112,658.04
4. Step 4: Simplify right side
   203,300.56x = 31,606,935,786.02
5. Step 5: Solve for x
   x = 31,606,935,786.02/203,300.56
6. Step 6: Final answer
   x = 155,469.01