Finding the Fourth Proportional to 5,114.21, 7,056.72 and 2,875.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,114.21 : 7,056.72 = 2,875.91 : x
2. Step 2: Convert to fraction form
   5,114.21/7,056.72 = 2,875.91/x
3. Step 3: Cross multiply
   5,114.21x = 7,056.72 × 2,875.91
4. Step 4: Simplify right side
   5,114.21x = 20,294,456.33
5. Step 5: Solve for x
   x = 20,294,456.33/5,114.21
6. Step 6: Final answer
   x = 3,968.25