Finding the Fourth Proportional to 5,265.82, 7,266.72 and 2,875.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,265.82 : 7,266.72 = 2,875.78 : x
2. Step 2: Convert to fraction form
   5,265.82/7,266.72 = 2,875.78/x
3. Step 3: Cross multiply
   5,265.82x = 7,266.72 × 2,875.78
4. Step 4: Simplify right side
   5,265.82x = 20,897,488.04
5. Step 5: Solve for x
   x = 20,897,488.04/5,265.82
6. Step 6: Final answer
   x = 3,968.52