Finding the Fourth Proportional to 10,507.71, 15,761.84 and 2,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,507.71 : 15,761.84 = 2,716.50 : x
2. Step 2: Convert to fraction form
   10,507.71/15,761.84 = 2,716.50/x
3. Step 3: Cross multiply
   10,507.71x = 15,761.84 × 2,716.50
4. Step 4: Simplify right side
   10,507.71x = 42,817,038.36
5. Step 5: Solve for x
   x = 42,817,038.36/10,507.71
6. Step 6: Final answer
   x = 4,074.82