Finding the Fourth Proportional to 10,567.71, 15,852.47 and 2,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,567.71 : 15,852.47 = 2,776.50 : x
2. Step 2: Convert to fraction form
   10,567.71/15,852.47 = 2,776.50/x
3. Step 3: Cross multiply
   10,567.71x = 15,852.47 × 2,776.50
4. Step 4: Simplify right side
   10,567.71x = 44,014,369.07
5. Step 5: Solve for x
   x = 44,014,369.07/10,567.71
6. Step 6: Final answer
   x = 4,164.99