Finding the Fourth Proportional to 10,870.76, 16,301.35 and 5,608.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.76 : 16,301.35 = 5,608.74 : x
2. Step 2: Convert to fraction form
   10,870.76/16,301.35 = 5,608.74/x
3. Step 3: Cross multiply
   10,870.76x = 16,301.35 × 5,608.74
4. Step 4: Simplify right side
   10,870.76x = 91,430,101.94
5. Step 5: Solve for x
   x = 91,430,101.94/10,870.76
6. Step 6: Final answer
   x = 8,410.65