Finding the Fourth Proportional to 1,098,861.56, 1,648,025.94 and 300,146.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,861.56 : 1,648,025.94 = 300,146.84 : x
2. Step 2: Convert to fraction form
   1,098,861.56/1,648,025.94 = 300,146.84/x
3. Step 3: Cross multiply
   1,098,861.56x = 1,648,025.94 × 300,146.84
4. Step 4: Simplify right side
   1,098,861.56x = 494,649,778,129.03
5. Step 5: Solve for x
   x = 494,649,778,129.03/1,098,861.56
6. Step 6: Final answer
   x = 450,147.49