Finding the Fourth Proportional to 3,930.77, 5,881.61 and 3,460.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.77 : 5,881.61 = 3,460.02 : x
2. Step 2: Convert to fraction form
   3,930.77/5,881.61 = 3,460.02/x
3. Step 3: Cross multiply
   3,930.77x = 5,881.61 × 3,460.02
4. Step 4: Simplify right side
   3,930.77x = 20,350,470.93
5. Step 5: Solve for x
   x = 20,350,470.93/3,930.77
6. Step 6: Final answer
   x = 5,177.23