Finding the Fourth Proportional to 2,606.31, 3,593.90 and 1,977.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.31 : 3,593.90 = 1,977.99 : x
2. Step 2: Convert to fraction form
   2,606.31/3,593.90 = 1,977.99/x
3. Step 3: Cross multiply
   2,606.31x = 3,593.90 × 1,977.99
4. Step 4: Simplify right side
   2,606.31x = 7,108,688.37
5. Step 5: Solve for x
   x = 7,108,688.37/2,606.31
6. Step 6: Final answer
   x = 2,727.49