Finding the Fourth Proportional to 3,875.67, 5,813.37 and 953.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.67 : 5,813.37 = 953.91 : x
2. Step 2: Convert to fraction form
   3,875.67/5,813.37 = 953.91/x
3. Step 3: Cross multiply
   3,875.67x = 5,813.37 × 953.91
4. Step 4: Simplify right side
   3,875.67x = 5,545,431.78
5. Step 5: Solve for x
   x = 5,545,431.78/3,875.67
6. Step 6: Final answer
   x = 1,430.83