Finding the Fourth Proportional to 9,675.85, 13,352.52 and 5,426.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,675.85 : 13,352.52 = 5,426.91 : x
2. Step 2: Convert to fraction form
   9,675.85/13,352.52 = 5,426.91/x
3. Step 3: Cross multiply
   9,675.85x = 13,352.52 × 5,426.91
4. Step 4: Simplify right side
   9,675.85x = 72,462,924.31
5. Step 5: Solve for x
   x = 72,462,924.31/9,675.85
6. Step 6: Final answer
   x = 7,489.05