Finding the Fourth Proportional to 2,072.49, 3,108.90 and 591.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.49 : 3,108.90 = 591.82 : x
2. Step 2: Convert to fraction form
   2,072.49/3,108.90 = 591.82/x
3. Step 3: Cross multiply
   2,072.49x = 3,108.90 × 591.82
4. Step 4: Simplify right side
   2,072.49x = 1,839,899.21
5. Step 5: Solve for x
   x = 1,839,899.21/2,072.49
6. Step 6: Final answer
   x = 887.77