Finding the Fourth Proportional to 649,868.89, 974,212.84 and 294,689.15

Step by Step Solution

1. Step 1: Write the proportion equation
   649,868.89 : 974,212.84 = 294,689.15 : x
2. Step 2: Convert to fraction form
   649,868.89/974,212.84 = 294,689.15/x
3. Step 3: Cross multiply
   649,868.89x = 974,212.84 × 294,689.15
4. Step 4: Simplify right side
   649,868.89x = 287,089,953,738.69
5. Step 5: Solve for x
   x = 287,089,953,738.69/649,868.89
6. Step 6: Final answer
   x = 441,765.96