Finding the Fourth Proportional to 2,591.53, 3,577.16 and 2,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.53 : 3,577.16 = 2,061.38 : x
2. Step 2: Convert to fraction form
   2,591.53/3,577.16 = 2,061.38/x
3. Step 3: Cross multiply
   2,591.53x = 3,577.16 × 2,061.38
4. Step 4: Simplify right side
   2,591.53x = 7,373,900.18
5. Step 5: Solve for x
   x = 7,373,900.18/2,591.53
6. Step 6: Final answer
   x = 2,845.39