Finding the Fourth Proportional to 7,155.98, 10,732.35 and 3,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.98 : 10,732.35 = 3,261.50 : x
2. Step 2: Convert to fraction form
   7,155.98/10,732.35 = 3,261.50/x
3. Step 3: Cross multiply
   7,155.98x = 10,732.35 × 3,261.50
4. Step 4: Simplify right side
   7,155.98x = 35,003,559.53
5. Step 5: Solve for x
   x = 35,003,559.53/7,155.98
6. Step 6: Final answer
   x = 4,891.51