Finding the Fourth Proportional to 252,061.65, 347,869.59 and 188,288.73

Step by Step Solution

1. Step 1: Write the proportion equation
   252,061.65 : 347,869.59 = 188,288.73 : x
2. Step 2: Convert to fraction form
   252,061.65/347,869.59 = 188,288.73/x
3. Step 3: Cross multiply
   252,061.65x = 347,869.59 × 188,288.73
4. Step 4: Simplify right side
   252,061.65x = 65,499,923,306.72
5. Step 5: Solve for x
   x = 65,499,923,306.72/252,061.65
6. Step 6: Final answer
   x = 259,856.76