Finding the Fourth Proportional to 2,820.24, 4,227.98 and 1,175.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.24 : 4,227.98 = 1,175.76 : x
2. Step 2: Convert to fraction form
   2,820.24/4,227.98 = 1,175.76/x
3. Step 3: Cross multiply
   2,820.24x = 4,227.98 × 1,175.76
4. Step 4: Simplify right side
   2,820.24x = 4,971,089.76
5. Step 5: Solve for x
   x = 4,971,089.76/2,820.24
6. Step 6: Final answer
   x = 1,762.65