Finding the Fourth Proportional to 12,824.53, 17,703.27 and 7,790.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,824.53 : 17,703.27 = 7,790.38 : x
2. Step 2: Convert to fraction form
   12,824.53/17,703.27 = 7,790.38/x
3. Step 3: Cross multiply
   12,824.53x = 17,703.27 × 7,790.38
4. Step 4: Simplify right side
   12,824.53x = 137,915,156.28
5. Step 5: Solve for x
   x = 137,915,156.28/12,824.53
6. Step 6: Final answer
   x = 10,754.01