Finding the Fourth Proportional to 13,494.89, 18,622.98 and 7,526.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.89 : 18,622.98 = 7,526.41 : x
2. Step 2: Convert to fraction form
   13,494.89/18,622.98 = 7,526.41/x
3. Step 3: Cross multiply
   13,494.89x = 18,622.98 × 7,526.41
4. Step 4: Simplify right side
   13,494.89x = 140,164,136.34
5. Step 5: Solve for x
   x = 140,164,136.34/13,494.89
6. Step 6: Final answer
   x = 10,386.46