Finding the Fourth Proportional to 13,078.95, 19,615.59 and 4,759.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078.95 : 19,615.59 = 4,759.17 : x
2. Step 2: Convert to fraction form
   13,078.95/19,615.59 = 4,759.17/x
3. Step 3: Cross multiply
   13,078.95x = 19,615.59 × 4,759.17
4. Step 4: Simplify right side
   13,078.95x = 93,353,927.46
5. Step 5: Solve for x
   x = 93,353,927.46/13,078.95
6. Step 6: Final answer
   x = 7,137.72