Finding the Fourth Proportional to 13,068.63, 19,610.61 and 5,171.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.63 : 19,610.61 = 5,171.88 : x
2. Step 2: Convert to fraction form
   13,068.63/19,610.61 = 5,171.88/x
3. Step 3: Cross multiply
   13,068.63x = 19,610.61 × 5,171.88
4. Step 4: Simplify right side
   13,068.63x = 101,423,721.65
5. Step 5: Solve for x
   x = 101,423,721.65/13,068.63
6. Step 6: Final answer
   x = 7,760.85