Finding the Fourth Proportional to 5,152.68, 7,729.49 and 1,404.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,152.68 : 7,729.49 = 1,404.51 : x
2. Step 2: Convert to fraction form
   5,152.68/7,729.49 = 1,404.51/x
3. Step 3: Cross multiply
   5,152.68x = 7,729.49 × 1,404.51
4. Step 4: Simplify right side
   5,152.68x = 10,856,120.53
5. Step 5: Solve for x
   x = 10,856,120.53/5,152.68
6. Step 6: Final answer
   x = 2,106.89