Finding the Fourth Proportional to 9,518.30, 13,136.63 and 5,541.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.30 : 13,136.63 = 5,541.61 : x
2. Step 2: Convert to fraction form
   9,518.30/13,136.63 = 5,541.61/x
3. Step 3: Cross multiply
   9,518.30x = 13,136.63 × 5,541.61
4. Step 4: Simplify right side
   9,518.30x = 72,798,080.17
5. Step 5: Solve for x
   x = 72,798,080.17/9,518.30
6. Step 6: Final answer
   x = 7,648.22