Finding the Fourth Proportional to 12,830.14, 17,700.69 and 7,792.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.14 : 17,700.69 = 7,792.57 : x
2. Step 2: Convert to fraction form
   12,830.14/17,700.69 = 7,792.57/x
3. Step 3: Cross multiply
   12,830.14x = 17,700.69 × 7,792.57
4. Step 4: Simplify right side
   12,830.14x = 137,933,865.87
5. Step 5: Solve for x
   x = 137,933,865.87/12,830.14
6. Step 6: Final answer
   x = 10,750.77