Finding the Fourth Proportional to 10,389.93, 15,581.82 and 3,725.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.93 : 15,581.82 = 3,725.39 : x
2. Step 2: Convert to fraction form
   10,389.93/15,581.82 = 3,725.39/x
3. Step 3: Cross multiply
   10,389.93x = 15,581.82 × 3,725.39
4. Step 4: Simplify right side
   10,389.93x = 58,048,356.41
5. Step 5: Solve for x
   x = 58,048,356.41/10,389.93
6. Step 6: Final answer
   x = 5,586.98