Finding the Fourth Proportional to 3,986.01, 5,980.22 and 2,877.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.01 : 5,980.22 = 2,877.93 : x
2. Step 2: Convert to fraction form
   3,986.01/5,980.22 = 2,877.93/x
3. Step 3: Cross multiply
   3,986.01x = 5,980.22 × 2,877.93
4. Step 4: Simplify right side
   3,986.01x = 17,210,654.54
5. Step 5: Solve for x
   x = 17,210,654.54/3,986.01
6. Step 6: Final answer
   x = 4,317.77