Finding the Fourth Proportional to 10,688.34, 14,725.76 and 7,455.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.34 : 14,725.76 = 7,455.06 : x
2. Step 2: Convert to fraction form
   10,688.34/14,725.76 = 7,455.06/x
3. Step 3: Cross multiply
   10,688.34x = 14,725.76 × 7,455.06
4. Step 4: Simplify right side
   10,688.34x = 109,781,424.35
5. Step 5: Solve for x
   x = 109,781,424.35/10,688.34
6. Step 6: Final answer
   x = 10,271.14