Finding the Fourth Proportional to 10,580.12, 15,870.96 and 3,560.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,580.12 : 15,870.96 = 3,560.15 : x
2. Step 2: Convert to fraction form
   10,580.12/15,870.96 = 3,560.15/x
3. Step 3: Cross multiply
   10,580.12x = 15,870.96 × 3,560.15
4. Step 4: Simplify right side
   10,580.12x = 56,502,918.89
5. Step 5: Solve for x
   x = 56,502,918.89/10,580.12
6. Step 6: Final answer
   x = 5,340.48