Finding the Fourth Proportional to 10,756.36, 16,139.52 and 4,914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,756.36 : 16,139.52 = 4,914.76 : x
2. Step 2: Convert to fraction form
   10,756.36/16,139.52 = 4,914.76/x
3. Step 3: Cross multiply
   10,756.36x = 16,139.52 × 4,914.76
4. Step 4: Simplify right side
   10,756.36x = 79,321,867.32
5. Step 5: Solve for x
   x = 79,321,867.32/10,756.36
6. Step 6: Final answer
   x = 7,374.42