Finding the Fourth Proportional to 4,826.88, 7,240.89 and 1,538.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,826.88 : 7,240.89 = 1,538.82 : x
2. Step 2: Convert to fraction form
   4,826.88/7,240.89 = 1,538.82/x
3. Step 3: Cross multiply
   4,826.88x = 7,240.89 × 1,538.82
4. Step 4: Simplify right side
   4,826.88x = 11,142,426.35
5. Step 5: Solve for x
   x = 11,142,426.35/4,826.88
6. Step 6: Final answer
   x = 2,308.41