Finding the Fourth Proportional to 13,085.48, 19,625.24 and 3,725.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.48 : 19,625.24 = 3,725.30 : x
2. Step 2: Convert to fraction form
   13,085.48/19,625.24 = 3,725.30/x
3. Step 3: Cross multiply
   13,085.48x = 19,625.24 × 3,725.30
4. Step 4: Simplify right side
   13,085.48x = 73,109,906.57
5. Step 5: Solve for x
   x = 73,109,906.57/13,085.48
6. Step 6: Final answer
   x = 5,587.10