Finding the Fourth Proportional to 13,500.01, 18,630.63 and 9,025.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,500.01 : 18,630.63 = 9,025.57 : x
2. Step 2: Convert to fraction form
   13,500.01/18,630.63 = 9,025.57/x
3. Step 3: Cross multiply
   13,500.01x = 18,630.63 × 9,025.57
4. Step 4: Simplify right side
   13,500.01x = 168,152,055.21
5. Step 5: Solve for x
   x = 168,152,055.21/13,500.01
6. Step 6: Final answer
   x = 12,455.70