Finding the Fourth Proportional to 13,022.69, 19,522.43 and 4,700.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,022.69 : 19,522.43 = 4,700.85 : x
2. Step 2: Convert to fraction form
   13,022.69/19,522.43 = 4,700.85/x
3. Step 3: Cross multiply
   13,022.69x = 19,522.43 × 4,700.85
4. Step 4: Simplify right side
   13,022.69x = 91,772,115.90
5. Step 5: Solve for x
   x = 91,772,115.90/13,022.69
6. Step 6: Final answer
   x = 7,047.09