Finding the Fourth Proportional to 149,472.72, 206,271 and 82,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,472.72 : 206,271 = 82,404.72 : x
2. Step 2: Convert to fraction form
   149,472.72/206,271 = 82,404.72/x
3. Step 3: Cross multiply
   149,472.72x = 206,271 × 82,404.72
4. Step 4: Simplify right side
   149,472.72x = 16,997,703,999.12
5. Step 5: Solve for x
   x = 16,997,703,999.12/149,472.72
6. Step 6: Final answer
   x = 113,717.77