Finding the Fourth Proportional to 10,389.56, 15,573.95 and 3,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.56 : 15,573.95 = 3,724.25 : x
2. Step 2: Convert to fraction form
   10,389.56/15,573.95 = 3,724.25/x
3. Step 3: Cross multiply
   10,389.56x = 15,573.95 × 3,724.25
4. Step 4: Simplify right side
   10,389.56x = 58,001,224.89
5. Step 5: Solve for x
   x = 58,001,224.89/10,389.56
6. Step 6: Final answer
   x = 5,582.64