Finding the Fourth Proportional to 3,610.12, 5,411.94 and 1,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.12 : 5,411.94 = 1,300 : x
2. Step 2: Convert to fraction form
   3,610.12/5,411.94 = 1,300/x
3. Step 3: Cross multiply
   3,610.12x = 5,411.94 × 1,300
4. Step 4: Simplify right side
   3,610.12x = 7,035,522.00
5. Step 5: Solve for x
   x = 7,035,522.00/3,610.12
6. Step 6: Final answer
   x = 1,948.83