Finding the Fourth Proportional to 2,052.15, 3,078.63 and 591.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.15 : 3,078.63 = 591.32 : x
2. Step 2: Convert to fraction form
   2,052.15/3,078.63 = 591.32/x
3. Step 3: Cross multiply
   2,052.15x = 3,078.63 × 591.32
4. Step 4: Simplify right side
   2,052.15x = 1,820,440.10
5. Step 5: Solve for x
   x = 1,820,440.10/2,052.15
6. Step 6: Final answer
   x = 887.09