Finding the Fourth Proportional to 10,507.72, 15,763.14 and 3,580.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,507.72 : 15,763.14 = 3,580.60 : x
2. Step 2: Convert to fraction form
   10,507.72/15,763.14 = 3,580.60/x
3. Step 3: Cross multiply
   10,507.72x = 15,763.14 × 3,580.60
4. Step 4: Simplify right side
   10,507.72x = 56,441,499.08
5. Step 5: Solve for x
   x = 56,441,499.08/10,507.72
6. Step 6: Final answer
   x = 5,371.43