Finding the Fourth Proportional to 540,123.82, 745,378.68 and 298,411.96

Step by Step Solution

1. Step 1: Write the proportion equation
   540,123.82 : 745,378.68 = 298,411.96 : x
2. Step 2: Convert to fraction form
   540,123.82/745,378.68 = 298,411.96/x
3. Step 3: Cross multiply
   540,123.82x = 745,378.68 × 298,411.96
4. Step 4: Simplify right side
   540,123.82x = 222,429,912,841.01
5. Step 5: Solve for x
   x = 222,429,912,841.01/540,123.82
6. Step 6: Final answer
   x = 411,812.82