Finding the Fourth Proportional to 261,826.27, 361,306.52 and 147,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   261,826.27 : 361,306.52 = 147,109.47 : x
2. Step 2: Convert to fraction form
   261,826.27/361,306.52 = 147,109.47/x
3. Step 3: Cross multiply
   261,826.27x = 361,306.52 × 147,109.47
4. Step 4: Simplify right side
   261,826.27x = 53,151,609,953.45
5. Step 5: Solve for x
   x = 53,151,609,953.45/261,826.27
6. Step 6: Final answer
   x = 203,003.35