Finding the Fourth Proportional to 2,846.86, 3,928.69 and 1,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.86 : 3,928.69 = 1,588 : x
2. Step 2: Convert to fraction form
   2,846.86/3,928.69 = 1,588/x
3. Step 3: Cross multiply
   2,846.86x = 3,928.69 × 1,588
4. Step 4: Simplify right side
   2,846.86x = 6,238,759.72
5. Step 5: Solve for x
   x = 6,238,759.72/2,846.86
6. Step 6: Final answer
   x = 2,191.45