Finding the Fourth Proportional to 3,899.43, 5,845.46 and 1,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.43 : 5,845.46 = 1,300.50 : x
2. Step 2: Convert to fraction form
   3,899.43/5,845.46 = 1,300.50/x
3. Step 3: Cross multiply
   3,899.43x = 5,845.46 × 1,300.50
4. Step 4: Simplify right side
   3,899.43x = 7,602,014.23
5. Step 5: Solve for x
   x = 7,602,014.23/3,899.43
6. Step 6: Final answer
   x = 1,949.52