Finding the Fourth Proportional to 9,521.52, 13,139.73 and 5,541.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521.52 : 13,139.73 = 5,541.59 : x
2. Step 2: Convert to fraction form
   9,521.52/13,139.73 = 5,541.59/x
3. Step 3: Cross multiply
   9,521.52x = 13,139.73 × 5,541.59
4. Step 4: Simplify right side
   9,521.52x = 72,814,930.67
5. Step 5: Solve for x
   x = 72,814,930.67/9,521.52
6. Step 6: Final answer
   x = 7,647.41