Finding the Fourth Proportional to 5,156.48, 7,736.00 and 1,458.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156.48 : 7,736.00 = 1,458.69 : x
2. Step 2: Convert to fraction form
   5,156.48/7,736.00 = 1,458.69/x
3. Step 3: Cross multiply
   5,156.48x = 7,736.00 × 1,458.69
4. Step 4: Simplify right side
   5,156.48x = 11,284,418.55
5. Step 5: Solve for x
   x = 11,284,418.55/5,156.48
6. Step 6: Final answer
   x = 2,188.40