Finding the Fourth Proportional to 10,516.56, 14,511.88 and 7,723.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,516.56 : 14,511.88 = 7,723.60 : x
2. Step 2: Convert to fraction form
   10,516.56/14,511.88 = 7,723.60/x
3. Step 3: Cross multiply
   10,516.56x = 14,511.88 × 7,723.60
4. Step 4: Simplify right side
   10,516.56x = 112,083,956.37
5. Step 5: Solve for x
   x = 112,083,956.37/10,516.56
6. Step 6: Final answer
   x = 10,657.85