Finding the Fourth Proportional to 153,131.01, 229,555.04 and 82,103.06

Step by Step Solution

1. Step 1: Write the proportion equation
   153,131.01 : 229,555.04 = 82,103.06 : x
2. Step 2: Convert to fraction form
   153,131.01/229,555.04 = 82,103.06/x
3. Step 3: Cross multiply
   153,131.01x = 229,555.04 × 82,103.06
4. Step 4: Simplify right side
   153,131.01x = 18,847,170,002.65
5. Step 5: Solve for x
   x = 18,847,170,002.65/153,131.01
6. Step 6: Final answer
   x = 123,078.73