Finding the Fourth Proportional to 13,494.55, 18,622.31 and 7,526.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.55 : 18,622.31 = 7,526.32 : x
2. Step 2: Convert to fraction form
   13,494.55/18,622.31 = 7,526.32/x
3. Step 3: Cross multiply
   13,494.55x = 18,622.31 × 7,526.32
4. Step 4: Simplify right side
   13,494.55x = 140,157,380.01
5. Step 5: Solve for x
   x = 140,157,380.01/13,494.55
6. Step 6: Final answer
   x = 10,386.22