Finding the Fourth Proportional to 10,402.56, 15,600.76 and 3,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.56 : 15,600.76 = 3,007.10 : x
2. Step 2: Convert to fraction form
   10,402.56/15,600.76 = 3,007.10/x
3. Step 3: Cross multiply
   10,402.56x = 15,600.76 × 3,007.10
4. Step 4: Simplify right side
   10,402.56x = 46,913,045.40
5. Step 5: Solve for x
   x = 46,913,045.40/10,402.56
6. Step 6: Final answer
   x = 4,509.76