Finding the Fourth Proportional to 13,081.91, 19,625.81 and 4,762

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.91 : 19,625.81 = 4,762 : x
2. Step 2: Convert to fraction form
   13,081.91/19,625.81 = 4,762/x
3. Step 3: Cross multiply
   13,081.91x = 19,625.81 × 4,762
4. Step 4: Simplify right side
   13,081.91x = 93,458,107.22
5. Step 5: Solve for x
   x = 93,458,107.22/13,081.91
6. Step 6: Final answer
   x = 7,144.07