Finding the Fourth Proportional to 5,875.79, 8,109.32 and 3,517.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,875.79 : 8,109.32 = 3,517.88 : x
2. Step 2: Convert to fraction form
   5,875.79/8,109.32 = 3,517.88/x
3. Step 3: Cross multiply
   5,875.79x = 8,109.32 × 3,517.88
4. Step 4: Simplify right side
   5,875.79x = 28,527,556.51
5. Step 5: Solve for x
   x = 28,527,556.51/5,875.79
6. Step 6: Final answer
   x = 4,855.11