Finding the Fourth Proportional to 3,617.31, 5,419.77 and 1,975.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617.31 : 5,419.77 = 1,975.01 : x
2. Step 2: Convert to fraction form
   3,617.31/5,419.77 = 1,975.01/x
3. Step 3: Cross multiply
   3,617.31x = 5,419.77 × 1,975.01
4. Step 4: Simplify right side
   3,617.31x = 10,704,104.89
5. Step 5: Solve for x
   x = 10,704,104.89/3,617.31
6. Step 6: Final answer
   x = 2,959.14