Finding the Fourth Proportional to 13,494.30, 18,622.10 and 7,525.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.30 : 18,622.10 = 7,525.98 : x
2. Step 2: Convert to fraction form
   13,494.30/18,622.10 = 7,525.98/x
3. Step 3: Cross multiply
   13,494.30x = 18,622.10 × 7,525.98
4. Step 4: Simplify right side
   13,494.30x = 140,149,552.16
5. Step 5: Solve for x
   x = 140,149,552.16/13,494.30
6. Step 6: Final answer
   x = 10,385.83