Finding the Fourth Proportional to 2,817.50, 4,223.34 and 1,175

Step by Step Solution

1. Step 1: Write the proportion equation
   2,817.50 : 4,223.34 = 1,175 : x
2. Step 2: Convert to fraction form
   2,817.50/4,223.34 = 1,175/x
3. Step 3: Cross multiply
   2,817.50x = 4,223.34 × 1,175
4. Step 4: Simplify right side
   2,817.50x = 4,962,424.50
5. Step 5: Solve for x
   x = 4,962,424.50/2,817.50
6. Step 6: Final answer
   x = 1,761.29