Finding the Fourth Proportional to 5,150.58, 7,725.78 and 1,255.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150.58 : 7,725.78 = 1,255.02 : x
2. Step 2: Convert to fraction form
   5,150.58/7,725.78 = 1,255.02/x
3. Step 3: Cross multiply
   5,150.58x = 7,725.78 × 1,255.02
4. Step 4: Simplify right side
   5,150.58x = 9,696,008.42
5. Step 5: Solve for x
   x = 9,696,008.42/5,150.58
6. Step 6: Final answer
   x = 1,882.51