Finding the Fourth Proportional to 13,470.60, 18,587.25 and 7,502.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,470.60 : 18,587.25 = 7,502.25 : x
2. Step 2: Convert to fraction form
   13,470.60/18,587.25 = 7,502.25/x
3. Step 3: Cross multiply
   13,470.60x = 18,587.25 × 7,502.25
4. Step 4: Simplify right side
   13,470.60x = 139,446,196.31
5. Step 5: Solve for x
   x = 139,446,196.31/13,470.60
6. Step 6: Final answer
   x = 10,351.89