Finding the Fourth Proportional to 1,030.86, 1,546.52 and 300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.86 : 1,546.52 = 300.50 : x
2. Step 2: Convert to fraction form
   1,030.86/1,546.52 = 300.50/x
3. Step 3: Cross multiply
   1,030.86x = 1,546.52 × 300.50
4. Step 4: Simplify right side
   1,030.86x = 464,720.02
5. Step 5: Solve for x
   x = 464,720.02/1,030.86
6. Step 6: Final answer
   x = 450.81