Finding the Fourth Proportional to 176,238.72, 264,620.52 and 71,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   176,238.72 : 264,620.52 = 71,262.72 : x
2. Step 2: Convert to fraction form
   176,238.72/264,620.52 = 71,262.72/x
3. Step 3: Cross multiply
   176,238.72x = 264,620.52 × 71,262.72
4. Step 4: Simplify right side
   176,238.72x = 18,857,578,023.01
5. Step 5: Solve for x
   x = 18,857,578,023.01/176,238.72
6. Step 6: Final answer
   x = 107,000.20