Finding the Fourth Proportional to 3,900.66, 5,850.34 and 1,303.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.66 : 5,850.34 = 1,303.59 : x
2. Step 2: Convert to fraction form
   3,900.66/5,850.34 = 1,303.59/x
3. Step 3: Cross multiply
   3,900.66x = 5,850.34 × 1,303.59
4. Step 4: Simplify right side
   3,900.66x = 7,626,444.72
5. Step 5: Solve for x
   x = 7,626,444.72/3,900.66
6. Step 6: Final answer
   x = 1,955.17