Finding the Fourth Proportional to 9,742.58, 13,443.95 and 5,435.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742.58 : 13,443.95 = 5,435.41 : x
2. Step 2: Convert to fraction form
   9,742.58/13,443.95 = 5,435.41/x
3. Step 3: Cross multiply
   9,742.58x = 13,443.95 × 5,435.41
4. Step 4: Simplify right side
   9,742.58x = 73,073,380.27
5. Step 5: Solve for x
   x = 73,073,380.27/9,742.58
6. Step 6: Final answer
   x = 7,500.41