Finding the Fourth Proportional to 13,510.21, 18,644.04 and 7,541.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,510.21 : 18,644.04 = 7,541.83 : x
2. Step 2: Convert to fraction form
   13,510.21/18,644.04 = 7,541.83/x
3. Step 3: Cross multiply
   13,510.21x = 18,644.04 × 7,541.83
4. Step 4: Simplify right side
   13,510.21x = 140,610,180.19
5. Step 5: Solve for x
   x = 140,610,180.19/13,510.21
6. Step 6: Final answer
   x = 10,407.70