Finding the Fourth Proportional to 12,645.52, 17,450.80 and 7,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645.52 : 17,450.80 = 7,056.52 : x
2. Step 2: Convert to fraction form
   12,645.52/17,450.80 = 7,056.52/x
3. Step 3: Cross multiply
   12,645.52x = 17,450.80 × 7,056.52
4. Step 4: Simplify right side
   12,645.52x = 123,141,919.22
5. Step 5: Solve for x
   x = 123,141,919.22/12,645.52
6. Step 6: Final answer
   x = 9,737.99