Finding the Fourth Proportional to 10,519.56, 15,756.71 and 4,964.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,519.56 : 15,756.71 = 4,964.58 : x
2. Step 2: Convert to fraction form
   10,519.56/15,756.71 = 4,964.58/x
3. Step 3: Cross multiply
   10,519.56x = 15,756.71 × 4,964.58
4. Step 4: Simplify right side
   10,519.56x = 78,225,422.51
5. Step 5: Solve for x
   x = 78,225,422.51/10,519.56
6. Step 6: Final answer
   x = 7,436.19