Finding the Fourth Proportional to 10,700.10, 14,735.52 and 7,711.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.10 : 14,735.52 = 7,711.20 : x
2. Step 2: Convert to fraction form
   10,700.10/14,735.52 = 7,711.20/x
3. Step 3: Cross multiply
   10,700.10x = 14,735.52 × 7,711.20
4. Step 4: Simplify right side
   10,700.10x = 113,628,541.82
5. Step 5: Solve for x
   x = 113,628,541.82/10,700.10
6. Step 6: Final answer
   x = 10,619.39