Finding the Fourth Proportional to 13,087.89, 19,616.18 and 4,758.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,087.89 : 19,616.18 = 4,758.14 : x
2. Step 2: Convert to fraction form
   13,087.89/19,616.18 = 4,758.14/x
3. Step 3: Cross multiply
   13,087.89x = 19,616.18 × 4,758.14
4. Step 4: Simplify right side
   13,087.89x = 93,336,555.95
5. Step 5: Solve for x
   x = 93,336,555.95/13,087.89
6. Step 6: Final answer
   x = 7,131.52