Finding the Fourth Proportional to 13,085.37, 19,629.90 and 4,763.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.37 : 19,629.90 = 4,763.85 : x
2. Step 2: Convert to fraction form
   13,085.37/19,629.90 = 4,763.85/x
3. Step 3: Cross multiply
   13,085.37x = 19,629.90 × 4,763.85
4. Step 4: Simplify right side
   13,085.37x = 93,513,899.12
5. Step 5: Solve for x
   x = 93,513,899.12/13,085.37
6. Step 6: Final answer
   x = 7,146.45