Finding the Fourth Proportional to 5,875.61, 8,107.32 and 3,885.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,875.61 : 8,107.32 = 3,885.09 : x
2. Step 2: Convert to fraction form
   5,875.61/8,107.32 = 3,885.09/x
3. Step 3: Cross multiply
   5,875.61x = 8,107.32 × 3,885.09
4. Step 4: Simplify right side
   5,875.61x = 31,497,667.86
5. Step 5: Solve for x
   x = 31,497,667.86/5,875.61
6. Step 6: Final answer
   x = 5,360.75