Finding the Fourth Proportional to 9,674.80, 13,352.71 and 5,427.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,674.80 : 13,352.71 = 5,427.58 : x
2. Step 2: Convert to fraction form
   9,674.80/13,352.71 = 5,427.58/x
3. Step 3: Cross multiply
   9,674.80x = 13,352.71 × 5,427.58
4. Step 4: Simplify right side
   9,674.80x = 72,472,901.74
5. Step 5: Solve for x
   x = 72,472,901.74/9,674.80
6. Step 6: Final answer
   x = 7,490.89