Finding the Fourth Proportional to 13,308.31, 19,975.68 and 7,068.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.31 : 19,975.68 = 7,068.38 : x
2. Step 2: Convert to fraction form
   13,308.31/19,975.68 = 7,068.38/x
3. Step 3: Cross multiply
   13,308.31x = 19,975.68 × 7,068.38
4. Step 4: Simplify right side
   13,308.31x = 141,195,697.00
5. Step 5: Solve for x
   x = 141,195,697.00/13,308.31
6. Step 6: Final answer
   x = 10,609.59