Finding the Fourth Proportional to 13,025.56, 17,975.28 and 7,646.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.56 : 17,975.28 = 7,646.94 : x
2. Step 2: Convert to fraction form
   13,025.56/17,975.28 = 7,646.94/x
3. Step 3: Cross multiply
   13,025.56x = 17,975.28 × 7,646.94
4. Step 4: Simplify right side
   13,025.56x = 137,455,849.41
5. Step 5: Solve for x
   x = 137,455,849.41/13,025.56
6. Step 6: Final answer
   x = 10,552.78