Finding the Fourth Proportional to 10,402.56, 15,606.57 and 3,739.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.56 : 15,606.57 = 3,739.73 : x
2. Step 2: Convert to fraction form
   10,402.56/15,606.57 = 3,739.73/x
3. Step 3: Cross multiply
   10,402.56x = 15,606.57 × 3,739.73
4. Step 4: Simplify right side
   10,402.56x = 58,364,358.03
5. Step 5: Solve for x
   x = 58,364,358.03/10,402.56
6. Step 6: Final answer
   x = 5,610.58