Finding the Fourth Proportional to 373,061.82, 514,800.68 and 209,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,061.82 : 514,800.68 = 209,743.50 : x
2. Step 2: Convert to fraction form
   373,061.82/514,800.68 = 209,743.50/x
3. Step 3: Cross multiply
   373,061.82x = 514,800.68 × 209,743.50
4. Step 4: Simplify right side
   373,061.82x = 107,976,096,425.58
5. Step 5: Solve for x
   x = 107,976,096,425.58/373,061.82
6. Step 6: Final answer
   x = 289,432.18