Finding the Fourth Proportional to 454,141.98, 626,710.50 and 250,188.84

Step by Step Solution

1. Step 1: Write the proportion equation
   454,141.98 : 626,710.50 = 250,188.84 : x
2. Step 2: Convert to fraction form
   454,141.98/626,710.50 = 250,188.84/x
3. Step 3: Cross multiply
   454,141.98x = 626,710.50 × 250,188.84
4. Step 4: Simplify right side
   454,141.98x = 156,795,973,010.82
5. Step 5: Solve for x
   x = 156,795,973,010.82/454,141.98
6. Step 6: Final answer
   x = 345,257.61