Finding the Fourth Proportional to 10,734.76, 16,103.86 and 5,188.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,734.76 : 16,103.86 = 5,188.51 : x
2. Step 2: Convert to fraction form
   10,734.76/16,103.86 = 5,188.51/x
3. Step 3: Cross multiply
   10,734.76x = 16,103.86 × 5,188.51
4. Step 4: Simplify right side
   10,734.76x = 83,555,038.65
5. Step 5: Solve for x
   x = 83,555,038.65/10,734.76
6. Step 6: Final answer
   x = 7,783.60