Finding the Fourth Proportional to 540,665.82, 746,066.19 and 298,915.29

Step by Step Solution

1. Step 1: Write the proportion equation
   540,665.82 : 746,066.19 = 298,915.29 : x
2. Step 2: Convert to fraction form
   540,665.82/746,066.19 = 298,915.29/x
3. Step 3: Cross multiply
   540,665.82x = 746,066.19 × 298,915.29
4. Step 4: Simplify right side
   540,665.82x = 223,010,591,543.05
5. Step 5: Solve for x
   x = 223,010,591,543.05/540,665.82
6. Step 6: Final answer
   x = 412,474.00